./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 c7c6ca5d 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-?-c7c6ca5-m [2024-11-09 03:56:58,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:56:58,887 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:56:58,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:56:58,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:56:58,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:56:58,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:56:58,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:56:58,924 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:56:58,924 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:56:58,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:56:58,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:56:58,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:56:58,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:56:58,927 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:56:58,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:56:58,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:56:58,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:56:58,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:56:58,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:56:58,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:56:58,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:56:58,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:56:58,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:56:58,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:56:58,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:56:58,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:56:58,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:56:58,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:56:58,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:56:58,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:56:58,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:56:58,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:56:58,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:56:58,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:56:58,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:56:58,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:56:58,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:56:58,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:56:58,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4e522f7269f01a0f0108ec2341cf17a6d715eaf63b892b25236d9e51e23a874 [2024-11-09 03:56:59,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:56:59,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:56:59,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:56:59,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:56:59,160 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:56:59,161 INFO L431 ainManager$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 [2024-11-09 03:57:00,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:57:00,696 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:57:00,697 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-11-09 03:57:00,725 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0df88b71/c15f2363405645fb8b477ef4bf6682f7/FLAG38018063b [2024-11-09 03:57:00,969 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0df88b71/c15f2363405645fb8b477ef4bf6682f7 [2024-11-09 03:57:00,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:57:00,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:57:00,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:57:00,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:57:00,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:57:00,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:57:00" (1/1) ... [2024-11-09 03:57:00,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26bad432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:00, skipping insertion in model container [2024-11-09 03:57:00,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:57:00" (1/1) ... [2024-11-09 03:57:01,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:57:01,599 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] [2024-11-09 03:57:01,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:57:01,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:57:01,745 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] [2024-11-09 03:57:01,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:57:01,788 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:57:01,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01 WrapperNode [2024-11-09 03:57:01,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:57:01,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:57:01,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:57:01,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:57:01,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (1/1) ... [2024-11-09 03:57:01,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (1/1) ... [2024-11-09 03:57:01,871 INFO L138 Inliner]: procedures = 102, calls = 421, calls flagged for inlining = 49, calls inlined = 44, statements flattened = 1156 [2024-11-09 03:57:01,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:57:01,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:57:01,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:57:01,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:57:01,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (1/1) ... [2024-11-09 03:57:01,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (1/1) ... [2024-11-09 03:57:01,905 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (1/1) ... [2024-11-09 03:57:02,009 INFO L175 MemorySlicer]: Split 233 memory accesses to 13 slices as follows [2, 161, 7, 5, 6, 3, 3, 18, 10, 2, 4, 8, 4]. 69 percent of accesses are in the largest equivalence class. The 48 initializations are split as follows [2, 14, 7, 5, 6, 3, 3, 0, 0, 2, 3, 0, 3]. The 80 writes are split as follows [0, 66, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0]. [2024-11-09 03:57:02,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (1/1) ... [2024-11-09 03:57:02,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (1/1) ... [2024-11-09 03:57:02,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (1/1) ... [2024-11-09 03:57:02,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (1/1) ... [2024-11-09 03:57:02,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (1/1) ... [2024-11-09 03:57:02,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (1/1) ... [2024-11-09 03:57:02,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:57:02,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:57:02,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:57:02,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:57:02,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (1/1) ... [2024-11-09 03:57:02,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:57:02,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:57:02,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:57:02,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:57:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:57:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:57:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:57:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:57:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:57:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:57:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:57:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 03:57:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-09 03:57:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-09 03:57:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-09 03:57:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-09 03:57:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-09 03:57:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-09 03:57:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-09 03:57:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-09 03:57:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-09 03:57:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-09 03:57:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-09 03:57:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-09 03:57:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-09 03:57:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-09 03:57:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-09 03:57:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-09 03:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-09 03:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-09 03:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 03:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-09 03:57:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-09 03:57:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-09 03:57:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-09 03:57:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-09 03:57:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:57:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:57:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:57:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:57:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:57:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:57:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:57:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 03:57:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-09 03:57:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-09 03:57:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-09 03:57:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-09 03:57:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-09 03:57:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-09 03:57:02,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-09 03:57:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-09 03:57:02,202 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-09 03:57:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:57:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:57:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:57:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:57:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:57:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:57:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:57:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 03:57:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-09 03:57:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-09 03:57:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-09 03:57:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-09 03:57:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-09 03:57:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-09 03:57:02,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-09 03:57:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2024-11-09 03:57:02,205 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2024-11-09 03:57:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:57:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:57:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2024-11-09 03:57:02,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2024-11-09 03:57:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:57:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:57:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:57:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:57:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:57:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:57:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:57:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 03:57:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-09 03:57:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-09 03:57:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-09 03:57:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-09 03:57:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-09 03:57:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-09 03:57:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-09 03:57:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:57:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2024-11-09 03:57:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2024-11-09 03:57:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:57:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:57:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:57:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:57:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:57:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:57:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:57:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 03:57:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-09 03:57:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-09 03:57:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-09 03:57:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-09 03:57:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-09 03:57:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-09 03:57:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-09 03:57:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2024-11-09 03:57:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2024-11-09 03:57:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2024-11-09 03:57:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2024-11-09 03:57:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:57:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:57:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:57:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:57:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:57:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:57:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:57:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:57:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 03:57:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-09 03:57:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-09 03:57:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-09 03:57:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-09 03:57:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-09 03:57:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-11-09 03:57:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2024-11-09 03:57:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2024-11-09 03:57:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2024-11-09 03:57:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-09 03:57:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-09 03:57:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-09 03:57:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-09 03:57:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-09 03:57:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-09 03:57:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:57:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:57:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:57:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:57:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:57:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:57:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:57:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 03:57:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-09 03:57:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-09 03:57:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-09 03:57:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-09 03:57:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-09 03:57:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-09 03:57:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-09 03:57:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2024-11-09 03:57:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2024-11-09 03:57:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-09 03:57:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-09 03:57:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-09 03:57:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-09 03:57:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-09 03:57:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-09 03:57:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-09 03:57:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-09 03:57:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-09 03:57:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-09 03:57:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-09 03:57:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-09 03:57:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-09 03:57:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-11-09 03:57:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-11-09 03:57:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:57:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:57:02,477 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:57:02,478 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:57:07,367 INFO L? ?]: Removed 485 outVars from TransFormulas that were not future-live. [2024-11-09 03:57:07,368 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:57:07,384 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:57:07,386 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 03:57:07,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:57:07 BoogieIcfgContainer [2024-11-09 03:57:07,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:57:07,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:57:07,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:57:07,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:57:07,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:57:00" (1/3) ... [2024-11-09 03:57:07,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11dbb8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:57:07, skipping insertion in model container [2024-11-09 03:57:07,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:57:01" (2/3) ... [2024-11-09 03:57:07,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11dbb8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:57:07, skipping insertion in model container [2024-11-09 03:57:07,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:57:07" (3/3) ... [2024-11-09 03:57:07,394 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2024-11-09 03:57:07,407 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:57:07,407 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:57:07,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:57:07,476 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;@7d7c532f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:57:07,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:57:07,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 301 states, 227 states have (on average 1.2995594713656389) internal successors, (295), 233 states have internal predecessors, (295), 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) [2024-11-09 03:57:07,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-09 03:57:07,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:57:07,498 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] [2024-11-09 03:57:07,498 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:57:07,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:57:07,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1860750501, now seen corresponding path program 1 times [2024-11-09 03:57:07,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:57:07,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512060557] [2024-11-09 03:57:07,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:57:07,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:57:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:57:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:57:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 03:57:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:57:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:57:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:57:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:57:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-09 03:57:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 03:57:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 03:57:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-09 03:57:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 03:57:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-09 03:57:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:57:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:57:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:08,438 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 03:57:08,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:57:08,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512060557] [2024-11-09 03:57:08,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512060557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:57:08,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:57:08,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 03:57:08,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983358031] [2024-11-09 03:57:08,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:57:08,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:57:08,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:57:08,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:57:08,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:57:08,474 INFO L87 Difference]: Start difference. First operand has 301 states, 227 states have (on average 1.2995594713656389) internal successors, (295), 233 states have internal predecessors, (295), 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 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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) [2024-11-09 03:57:12,495 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 [] [2024-11-09 03:57:16,504 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 [] [2024-11-09 03:57:17,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:57:17,457 INFO L93 Difference]: Finished difference Result 623 states and 849 transitions. [2024-11-09 03:57:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 03:57:17,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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 126 [2024-11-09 03:57:17,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:57:17,475 INFO L225 Difference]: With dead ends: 623 [2024-11-09 03:57:17,475 INFO L226 Difference]: Without dead ends: 318 [2024-11-09 03:57:17,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 03:57:17,481 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 193 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 129 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2024-11-09 03:57:17,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 1088 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 651 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2024-11-09 03:57:17,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-09 03:57:17,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 289. [2024-11-09 03:57:17,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 219 states have (on average 1.2831050228310503) internal successors, (281), 223 states have internal predecessors, (281), 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) [2024-11-09 03:57:17,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 383 transitions. [2024-11-09 03:57:17,544 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 383 transitions. Word has length 126 [2024-11-09 03:57:17,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:57:17,547 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 383 transitions. [2024-11-09 03:57:17,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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) [2024-11-09 03:57:17,547 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 383 transitions. [2024-11-09 03:57:17,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 03:57:17,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:57:17,553 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] [2024-11-09 03:57:17,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:57:17,554 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:57:17,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:57:17,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1568180097, now seen corresponding path program 1 times [2024-11-09 03:57:17,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:57:17,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101973117] [2024-11-09 03:57:17,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:57:17,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:57:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:57:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:57:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 03:57:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:57:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:57:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:57:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:57:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:57:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:57:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:57:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:57:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 03:57:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:57:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:57:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:57:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:57:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:17,913 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 03:57:17,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:57:17,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101973117] [2024-11-09 03:57:17,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101973117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:57:17,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:57:17,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 03:57:17,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849381563] [2024-11-09 03:57:17,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:57:17,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:57:17,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:57:17,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:57:17,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:57:17,920 INFO L87 Difference]: Start difference. First operand 289 states and 383 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-09 03:57:21,936 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 [] [2024-11-09 03:57:25,940 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 [] [2024-11-09 03:57:26,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:57:26,577 INFO L93 Difference]: Finished difference Result 600 states and 802 transitions. [2024-11-09 03:57:26,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 03:57:26,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 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 137 [2024-11-09 03:57:26,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:57:26,580 INFO L225 Difference]: With dead ends: 600 [2024-11-09 03:57:26,580 INFO L226 Difference]: Without dead ends: 319 [2024-11-09 03:57:26,581 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 [2024-11-09 03:57:26,582 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 193 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 125 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-09 03:57:26,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 807 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 466 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2024-11-09 03:57:26,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-09 03:57:26,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 290. [2024-11-09 03:57:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 220 states have (on average 1.2818181818181817) internal successors, (282), 224 states have internal predecessors, (282), 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) [2024-11-09 03:57:26,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 384 transitions. [2024-11-09 03:57:26,602 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 384 transitions. Word has length 137 [2024-11-09 03:57:26,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:57:26,603 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 384 transitions. [2024-11-09 03:57:26,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-09 03:57:26,603 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 384 transitions. [2024-11-09 03:57:26,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 03:57:26,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:57:26,610 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] [2024-11-09 03:57:26,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 03:57:26,610 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:57:26,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:57:26,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1668949121, now seen corresponding path program 1 times [2024-11-09 03:57:26,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:57:26,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259879318] [2024-11-09 03:57:26,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:57:26,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:57:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:26,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:57:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:26,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:57:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:26,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 03:57:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:26,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:57:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:26,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:57:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:26,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:57:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:26,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:57:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:26,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:57:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:26,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:57:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:26,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:57:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:26,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:57:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:26,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 03:57:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:27,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:57:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:27,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:57:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:27,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:57:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:27,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:57:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:27,036 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 03:57:27,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:57:27,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259879318] [2024-11-09 03:57:27,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259879318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:57:27,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:57:27,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 03:57:27,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10563967] [2024-11-09 03:57:27,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:57:27,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:57:27,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:57:27,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:57:27,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:57:27,038 INFO L87 Difference]: Start difference. First operand 290 states and 384 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 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) [2024-11-09 03:57:31,048 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 [] [2024-11-09 03:57:35,057 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 [] [2024-11-09 03:57:35,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:57:35,615 INFO L93 Difference]: Finished difference Result 603 states and 805 transitions. [2024-11-09 03:57:35,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 03:57:35,615 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 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 137 [2024-11-09 03:57:35,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:57:35,618 INFO L225 Difference]: With dead ends: 603 [2024-11-09 03:57:35,618 INFO L226 Difference]: Without dead ends: 321 [2024-11-09 03:57:35,619 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 [2024-11-09 03:57:35,619 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 193 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 123 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-09 03:57:35,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 1016 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 647 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2024-11-09 03:57:35,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-09 03:57:35,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 292. [2024-11-09 03:57:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 222 states have (on average 1.2792792792792793) internal successors, (284), 226 states have internal predecessors, (284), 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) [2024-11-09 03:57:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 386 transitions. [2024-11-09 03:57:35,635 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 386 transitions. Word has length 137 [2024-11-09 03:57:35,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:57:35,635 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 386 transitions. [2024-11-09 03:57:35,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 4 states have internal predecessors, (80), 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) [2024-11-09 03:57:35,636 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 386 transitions. [2024-11-09 03:57:35,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 03:57:35,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:57:35,638 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] [2024-11-09 03:57:35,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 03:57:35,638 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:57:35,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:57:35,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1691581375, now seen corresponding path program 1 times [2024-11-09 03:57:35,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:57:35,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340021178] [2024-11-09 03:57:35,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:57:35,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:57:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:57:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:57:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 03:57:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:57:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:57:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:57:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:57:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:57:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:57:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:57:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:57:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 03:57:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:57:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:57:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:57:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:57:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 03:57:35,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:57:35,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340021178] [2024-11-09 03:57:35,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340021178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:57:35,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:57:35,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 03:57:35,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762922788] [2024-11-09 03:57:35,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:57:35,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:57:35,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:57:36,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:57:36,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:57:36,002 INFO L87 Difference]: Start difference. First operand 292 states and 386 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-09 03:57:40,011 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 [] [2024-11-09 03:57:44,020 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 [] [2024-11-09 03:57:44,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:57:44,530 INFO L93 Difference]: Finished difference Result 606 states and 808 transitions. [2024-11-09 03:57:44,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 03:57:44,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 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 137 [2024-11-09 03:57:44,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:57:44,533 INFO L225 Difference]: With dead ends: 606 [2024-11-09 03:57:44,533 INFO L226 Difference]: Without dead ends: 322 [2024-11-09 03:57:44,534 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 [2024-11-09 03:57:44,535 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 193 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 123 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-11-09 03:57:44,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 809 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 472 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2024-11-09 03:57:44,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-09 03:57:44,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 293. [2024-11-09 03:57:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 223 states have (on average 1.2780269058295963) internal successors, (285), 227 states have internal predecessors, (285), 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) [2024-11-09 03:57:44,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 387 transitions. [2024-11-09 03:57:44,549 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 387 transitions. Word has length 137 [2024-11-09 03:57:44,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:57:44,549 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 387 transitions. [2024-11-09 03:57:44,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-09 03:57:44,550 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 387 transitions. [2024-11-09 03:57:44,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 03:57:44,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:57:44,555 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] [2024-11-09 03:57:44,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 03:57:44,555 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:57:44,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:57:44,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1901786047, now seen corresponding path program 1 times [2024-11-09 03:57:44,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:57:44,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262490066] [2024-11-09 03:57:44,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:57:44,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:57:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:57:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:57:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 03:57:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:57:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:57:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:57:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:57:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:57:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:57:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:57:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:57:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 03:57:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:57:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:57:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:57:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:57:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:57:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 03:57:45,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:57:45,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262490066] [2024-11-09 03:57:45,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262490066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:57:45,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:57:45,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 03:57:45,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534077180] [2024-11-09 03:57:45,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:57:45,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 03:57:45,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:57:45,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 03:57:45,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 03:57:45,240 INFO L87 Difference]: Start difference. First operand 293 states and 387 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 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) [2024-11-09 03:57:49,249 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 [] [2024-11-09 03:57:53,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:57:57,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:58:01,266 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 [] [2024-11-09 03:58:02,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:58:02,724 INFO L93 Difference]: Finished difference Result 944 states and 1269 transitions. [2024-11-09 03:58:02,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 03:58:02,725 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 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 137 [2024-11-09 03:58:02,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:58:02,732 INFO L225 Difference]: With dead ends: 944 [2024-11-09 03:58:02,733 INFO L226 Difference]: Without dead ends: 940 [2024-11-09 03:58:02,734 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 [2024-11-09 03:58:02,734 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 1217 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 459 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 459 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2024-11-09 03:58:02,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1284 Valid, 1267 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [459 Valid, 907 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time] [2024-11-09 03:58:02,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-11-09 03:58:02,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 853. [2024-11-09 03:58:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 651 states have (on average 1.2795698924731183) internal successors, (833), 661 states have internal predecessors, (833), 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) [2024-11-09 03:58:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1135 transitions. [2024-11-09 03:58:02,790 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1135 transitions. Word has length 137 [2024-11-09 03:58:02,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:58:02,790 INFO L471 AbstractCegarLoop]: Abstraction has 853 states and 1135 transitions. [2024-11-09 03:58:02,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 5 states have internal predecessors, (80), 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) [2024-11-09 03:58:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1135 transitions. [2024-11-09 03:58:02,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-09 03:58:02,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:58:02,792 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] [2024-11-09 03:58:02,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 03:58:02,793 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:58:02,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:58:02,793 INFO L85 PathProgramCache]: Analyzing trace with hash -970050414, now seen corresponding path program 1 times [2024-11-09 03:58:02,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:58:02,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665279359] [2024-11-09 03:58:02,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:58:02,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:58:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:58:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:58:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 03:58:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:58:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:58:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:58:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:58:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:58:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:58:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 03:58:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:58:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:58:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-09 03:58:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,247 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 03:58:03,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:58:03,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665279359] [2024-11-09 03:58:03,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665279359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 03:58:03,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061399499] [2024-11-09 03:58:03,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:58:03,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 03:58:03,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:58:03,249 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) [2024-11-09 03:58:03,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 03:58:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:03,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 1823 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 03:58:03,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 03:58:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 03:58:03,993 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 03:58:03,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061399499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:58:03,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 03:58:03,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-09 03:58:03,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063148549] [2024-11-09 03:58:03,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:58:03,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:58:03,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:58:03,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:58:03,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 03:58:03,996 INFO L87 Difference]: Start difference. First operand 853 states and 1135 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2024-11-09 03:58:08,007 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 [] [2024-11-09 03:58:08,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:58:08,057 INFO L93 Difference]: Finished difference Result 1700 states and 2265 transitions. [2024-11-09 03:58:08,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:58:08,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 147 [2024-11-09 03:58:08,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:58:08,065 INFO L225 Difference]: With dead ends: 1700 [2024-11-09 03:58:08,065 INFO L226 Difference]: Without dead ends: 1415 [2024-11-09 03:58:08,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 03:58:08,067 INFO L432 NwaCegarLoop]: 719 mSDtfsCounter, 363 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-09 03:58:08,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1094 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-09 03:58:08,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2024-11-09 03:58:08,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1133. [2024-11-09 03:58:08,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 865 states have (on average 1.2786127167630057) internal successors, (1106), 878 states have internal predecessors, (1106), 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) [2024-11-09 03:58:08,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1506 transitions. [2024-11-09 03:58:08,118 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1506 transitions. Word has length 147 [2024-11-09 03:58:08,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:58:08,118 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1506 transitions. [2024-11-09 03:58:08,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2024-11-09 03:58:08,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1506 transitions. [2024-11-09 03:58:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-09 03:58:08,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:58:08,122 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:58:08,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 03:58:08,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-09 03:58:08,327 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:58:08,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:58:08,327 INFO L85 PathProgramCache]: Analyzing trace with hash 395986029, now seen corresponding path program 1 times [2024-11-09 03:58:08,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:58:08,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747690838] [2024-11-09 03:58:08,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:58:08,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:58:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:58:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:58:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 03:58:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:58:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:58:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:58:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:58:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:58:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:58:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 03:58:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:58:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:58:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 03:58:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 03:58:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 03:58:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-09 03:58:08,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:58:08,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747690838] [2024-11-09 03:58:08,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747690838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:58:08,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:58:08,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 03:58:08,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492480324] [2024-11-09 03:58:08,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:58:08,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:58:08,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:58:08,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:58:08,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:58:08,835 INFO L87 Difference]: Start difference. First operand 1133 states and 1506 transitions. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 4 states have internal predecessors, (113), 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) [2024-11-09 03:58:12,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:58:16,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:58:17,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:58:17,562 INFO L93 Difference]: Finished difference Result 2382 states and 3187 transitions. [2024-11-09 03:58:17,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 03:58:17,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 4 states have internal predecessors, (113), 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 193 [2024-11-09 03:58:17,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:58:17,568 INFO L225 Difference]: With dead ends: 2382 [2024-11-09 03:58:17,569 INFO L226 Difference]: Without dead ends: 1257 [2024-11-09 03:58:17,571 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 [2024-11-09 03:58:17,572 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 208 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 124 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-09 03:58:17,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 996 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 639 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2024-11-09 03:58:17,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2024-11-09 03:58:17,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1141. [2024-11-09 03:58:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 873 states have (on average 1.2760595647193584) internal successors, (1114), 886 states have internal predecessors, (1114), 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) [2024-11-09 03:58:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1514 transitions. [2024-11-09 03:58:17,617 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1514 transitions. Word has length 193 [2024-11-09 03:58:17,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:58:17,617 INFO L471 AbstractCegarLoop]: Abstraction has 1141 states and 1514 transitions. [2024-11-09 03:58:17,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 4 states have internal predecessors, (113), 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) [2024-11-09 03:58:17,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1514 transitions. [2024-11-09 03:58:17,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-09 03:58:17,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:58:17,621 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:58:17,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 03:58:17,621 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:58:17,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:58:17,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1970708565, now seen corresponding path program 1 times [2024-11-09 03:58:17,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:58:17,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890026877] [2024-11-09 03:58:17,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:58:17,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:58:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:58:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:58:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 03:58:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:58:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:58:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:58:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:58:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:58:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:58:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 03:58:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:58:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:58:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 03:58:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 03:58:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:17,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 03:58:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:18,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-09 03:58:18,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:58:18,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890026877] [2024-11-09 03:58:18,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890026877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:58:18,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:58:18,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 03:58:18,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270225957] [2024-11-09 03:58:18,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:58:18,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:58:18,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:58:18,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:58:18,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:58:18,006 INFO L87 Difference]: Start difference. First operand 1141 states and 1514 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 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) [2024-11-09 03:58:22,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:58:26,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:58:26,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:58:26,663 INFO L93 Difference]: Finished difference Result 2394 states and 3199 transitions. [2024-11-09 03:58:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 03:58:26,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 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 193 [2024-11-09 03:58:26,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:58:26,668 INFO L225 Difference]: With dead ends: 2394 [2024-11-09 03:58:26,668 INFO L226 Difference]: Without dead ends: 1261 [2024-11-09 03:58:26,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:58:26,671 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 193 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 121 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-09 03:58:26,671 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 807 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 466 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2024-11-09 03:58:26,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2024-11-09 03:58:26,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1145. [2024-11-09 03:58:26,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 877 states have (on average 1.274800456100342) internal successors, (1118), 890 states have internal predecessors, (1118), 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) [2024-11-09 03:58:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1518 transitions. [2024-11-09 03:58:26,716 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1518 transitions. Word has length 193 [2024-11-09 03:58:26,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:58:26,717 INFO L471 AbstractCegarLoop]: Abstraction has 1145 states and 1518 transitions. [2024-11-09 03:58:26,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 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) [2024-11-09 03:58:26,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1518 transitions. [2024-11-09 03:58:26,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-09 03:58:26,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:58:26,719 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:58:26,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 03:58:26,719 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:58:26,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:58:26,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1971170349, now seen corresponding path program 1 times [2024-11-09 03:58:26,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:58:26,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563411622] [2024-11-09 03:58:26,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:58:26,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:58:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:58:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:58:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 03:58:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:58:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:58:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:58:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:58:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:58:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:58:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 03:58:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:58:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:58:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 03:58:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 03:58:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-09 03:58:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:27,111 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-09 03:58:27,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:58:27,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563411622] [2024-11-09 03:58:27,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563411622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:58:27,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:58:27,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 03:58:27,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773336101] [2024-11-09 03:58:27,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:58:27,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:58:27,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:58:27,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:58:27,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:58:27,114 INFO L87 Difference]: Start difference. First operand 1145 states and 1518 transitions. Second operand has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 4 states have internal predecessors, (113), 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) [2024-11-09 03:58:31,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:58:35,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:58:35,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:58:35,754 INFO L93 Difference]: Finished difference Result 2406 states and 3211 transitions. [2024-11-09 03:58:35,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 03:58:35,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 4 states have internal predecessors, (113), 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 193 [2024-11-09 03:58:35,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:58:35,761 INFO L225 Difference]: With dead ends: 2406 [2024-11-09 03:58:35,761 INFO L226 Difference]: Without dead ends: 1269 [2024-11-09 03:58:35,764 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 [2024-11-09 03:58:35,766 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 193 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 122 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 1029 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-09 03:58:35,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 1029 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 633 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2024-11-09 03:58:35,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2024-11-09 03:58:35,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1153. [2024-11-09 03:58:35,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 885 states have (on average 1.272316384180791) internal successors, (1126), 898 states have internal predecessors, (1126), 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) [2024-11-09 03:58:35,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1526 transitions. [2024-11-09 03:58:35,811 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1526 transitions. Word has length 193 [2024-11-09 03:58:35,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:58:35,811 INFO L471 AbstractCegarLoop]: Abstraction has 1153 states and 1526 transitions. [2024-11-09 03:58:35,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.833333333333332) internal successors, (113), 4 states have internal predecessors, (113), 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) [2024-11-09 03:58:35,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1526 transitions. [2024-11-09 03:58:35,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-09 03:58:35,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:58:35,814 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:58:35,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 03:58:35,815 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:58:35,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:58:35,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1167686706, now seen corresponding path program 1 times [2024-11-09 03:58:35,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:58:35,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968590443] [2024-11-09 03:58:35,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:58:35,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:58:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:58:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:58:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-09 03:58:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:58:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:58:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:58:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:58:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:58:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:58:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-09 03:58:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-09 03:58:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-09 03:58:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:58:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 03:58:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-09 03:58:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-09 03:58:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:58:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:58:36,238 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-09 03:58:36,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:58:36,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968590443] [2024-11-09 03:58:36,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968590443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:58:36,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:58:36,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 03:58:36,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375473024] [2024-11-09 03:58:36,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:58:36,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 03:58:36,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:58:36,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 03:58:36,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 03:58:36,240 INFO L87 Difference]: Start difference. First operand 1153 states and 1526 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 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)