./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 18:18:59,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:18:59,164 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:18:59,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:18:59,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:18:59,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:18:59,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:18:59,194 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:18:59,195 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:18:59,195 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:18:59,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:18:59,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:18:59,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:18:59,196 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:18:59,196 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:18:59,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:18:59,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:18:59,197 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:18:59,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:18:59,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:18:59,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:18:59,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:18:59,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:18:59,197 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:18:59,197 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:18:59,198 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:18:59,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:18:59,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:18:59,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:18:59,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:18:59,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:18:59,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:18:59,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:18:59,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:18:59,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:18:59,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:18:59,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:18:59,199 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:18:59,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:18:59,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:18:59,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:18:59,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:18:59,199 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:18:59,199 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:18:59,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:18:59,199 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 3b154baf348652a9aadd484f41053a90df6581eb3d7346fd488d4cc05040e74b [2025-01-09 18:18:59,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:18:59,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:18:59,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:18:59,467 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:18:59,467 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:18:59,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2025-01-09 18:19:00,643 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/88512905b/7cf8d87d51334ebbac2309bc97096434/FLAGc1a00593f [2025-01-09 18:19:01,075 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:19:01,075 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2025-01-09 18:19:01,105 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/88512905b/7cf8d87d51334ebbac2309bc97096434/FLAGc1a00593f [2025-01-09 18:19:01,225 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/88512905b/7cf8d87d51334ebbac2309bc97096434 [2025-01-09 18:19:01,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:19:01,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:19:01,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:19:01,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:19:01,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:19:01,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:19:01" (1/1) ... [2025-01-09 18:19:01,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4860a3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:01, skipping insertion in model container [2025-01-09 18:19:01,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:19:01" (1/1) ... [2025-01-09 18:19:01,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:19:01,894 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2025-01-09 18:19:01,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:19:01,989 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:19:02,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [2827] [2025-01-09 18:19:02,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [2834-2835] [2025-01-09 18:19:02,168 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i[119285,119298] [2025-01-09 18:19:02,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:19:02,232 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:19:02,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02 WrapperNode [2025-01-09 18:19:02,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:19:02,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:19:02,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:19:02,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:19:02,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,394 INFO L138 Inliner]: procedures = 146, calls = 1519, calls flagged for inlining = 50, calls inlined = 42, statements flattened = 2396 [2025-01-09 18:19:02,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:19:02,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:19:02,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:19:02,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:19:02,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,425 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,518 INFO L175 MemorySlicer]: Split 1097 memory accesses to 21 slices as follows [28, 2, 6, 512, 5, 1, 392, 5, 3, 24, 1, 2, 3, 11, 31, 6, 29, 13, 1, 11, 11]. 47 percent of accesses are in the largest equivalence class. The 797 initializations are split as follows [0, 2, 0, 512, 5, 0, 176, 0, 0, 0, 1, 0, 3, 11, 24, 6, 29, 13, 0, 4, 11]. The 201 writes are split as follows [28, 0, 5, 0, 0, 0, 139, 1, 2, 24, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0]. [2025-01-09 18:19:02,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,650 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:19:02,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:19:02,722 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:19:02,722 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:19:02,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (1/1) ... [2025-01-09 18:19:02,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:19:02,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:02,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 18:19:02,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 18:19:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2025-01-09 18:19:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2025-01-09 18:19:02,771 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2025-01-09 18:19:02,771 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2025-01-09 18:19:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2025-01-09 18:19:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2025-01-09 18:19:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pt_mutex [2025-01-09 18:19:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pt_mutex [2025-01-09 18:19:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2025-01-09 18:19:02,772 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2025-01-09 18:19:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:19:02,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:19:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:19:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:19:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:19:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:19:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:19:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:19:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:19:02,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:19:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:19:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-01-09 18:19:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-01-09 18:19:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-01-09 18:19:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-01-09 18:19:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-01-09 18:19:02,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:19:02,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:19:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:19:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-01-09 18:19:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-01-09 18:19:02,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2025-01-09 18:19:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2025-01-09 18:19:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure pt_media_access_cmd [2025-01-09 18:19:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_media_access_cmd [2025-01-09 18:19:02,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:19:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure pt_reset [2025-01-09 18:19:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_reset [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure pt_identify [2025-01-09 18:19:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_identify [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure pt_command [2025-01-09 18:19:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_command [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2025-01-09 18:19:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write [2025-01-09 18:19:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:19:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 18:19:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure pt_atapi [2025-01-09 18:19:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_atapi [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:19:02,778 INFO L130 BoogieDeclarations]: Found specification of procedure pt_poll_dsc [2025-01-09 18:19:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_poll_dsc [2025-01-09 18:19:02,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pt_mutex [2025-01-09 18:19:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pt_mutex [2025-01-09 18:19:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2025-01-09 18:19:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2025-01-09 18:19:02,782 INFO L130 BoogieDeclarations]: Found specification of procedure pt_req_sense [2025-01-09 18:19:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_req_sense [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-01-09 18:19:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_17 [2025-01-09 18:19:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_17 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2025-01-09 18:19:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2025-01-09 18:19:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-01-09 18:19:02,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2025-01-09 18:19:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure pt_completion [2025-01-09 18:19:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_completion [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure pt_sleep [2025-01-09 18:19:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_sleep [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure pt_write_fm [2025-01-09 18:19:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_write_fm [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2025-01-09 18:19:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2025-01-09 18:19:02,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:19:02,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2025-01-09 18:19:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2025-01-09 18:19:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-01-09 18:19:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-01-09 18:19:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure pt_wait [2025-01-09 18:19:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_wait [2025-01-09 18:19:02,786 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2025-01-09 18:19:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2025-01-09 18:19:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2025-01-09 18:19:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure pt_probe [2025-01-09 18:19:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_probe [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure pt_rewind [2025-01-09 18:19:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pt_rewind [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2025-01-09 18:19:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure xn [2025-01-09 18:19:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure xn [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-01-09 18:19:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:19:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:19:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2025-01-09 18:19:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2025-01-09 18:19:03,141 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:19:03,143 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:19:18,465 INFO L? ?]: Removed 705 outVars from TransFormulas that were not future-live. [2025-01-09 18:19:18,466 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:19:18,498 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:19:18,501 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2025-01-09 18:19:18,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:19:18 BoogieIcfgContainer [2025-01-09 18:19:18,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:19:18,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:19:18,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:19:18,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:19:18,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:19:01" (1/3) ... [2025-01-09 18:19:18,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5938cb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:19:18, skipping insertion in model container [2025-01-09 18:19:18,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:19:02" (2/3) ... [2025-01-09 18:19:18,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5938cb63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:19:18, skipping insertion in model container [2025-01-09 18:19:18,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:19:18" (3/3) ... [2025-01-09 18:19:18,512 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i [2025-01-09 18:19:18,523 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:19:18,526 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pt.ko-main.cil.out.i that has 45 procedures, 867 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 18:19:18,596 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:19:18,606 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;@7b078e22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:19:18,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:19:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 867 states, 634 states have (on average 1.391167192429022) internal successors, (882), 655 states have internal predecessors, (882), 191 states have call successors, (191), 44 states have call predecessors, (191), 44 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) [2025-01-09 18:19:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-09 18:19:18,620 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:18,620 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:19:18,621 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:18,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:18,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1259046571, now seen corresponding path program 1 times [2025-01-09 18:19:18,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:18,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569441036] [2025-01-09 18:19:18,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:18,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:19,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-09 18:19:19,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-09 18:19:19,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:19,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:19,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:19:19,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:19,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569441036] [2025-01-09 18:19:19,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569441036] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:19,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:19:19,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:19:19,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984536440] [2025-01-09 18:19:19,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:19,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:19,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:19,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:19,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:19:19,594 INFO L87 Difference]: Start difference. First operand has 867 states, 634 states have (on average 1.391167192429022) internal successors, (882), 655 states have internal predecessors, (882), 191 states have call successors, (191), 44 states have call predecessors, (191), 44 states have return successors, (191), 191 states have call predecessors, (191), 191 states have call successors, (191) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:19:19,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:19,990 INFO L93 Difference]: Finished difference Result 2117 states and 3142 transitions. [2025-01-09 18:19:19,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:19,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2025-01-09 18:19:19,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:20,015 INFO L225 Difference]: With dead ends: 2117 [2025-01-09 18:19:20,016 INFO L226 Difference]: Without dead ends: 1245 [2025-01-09 18:19:20,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:19:20,029 INFO L435 NwaCegarLoop]: 1549 mSDtfsCounter, 567 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:20,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 2734 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 18:19:20,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2025-01-09 18:19:20,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1209. [2025-01-09 18:19:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 875 states have (on average 1.3714285714285714) internal successors, (1200), 896 states have internal predecessors, (1200), 266 states have call successors, (266), 68 states have call predecessors, (266), 67 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2025-01-09 18:19:20,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1726 transitions. [2025-01-09 18:19:20,159 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1726 transitions. Word has length 19 [2025-01-09 18:19:20,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:20,161 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1726 transitions. [2025-01-09 18:19:20,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:19:20,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1726 transitions. [2025-01-09 18:19:20,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-09 18:19:20,163 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:20,163 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:19:20,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:19:20,164 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:20,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:20,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1789411670, now seen corresponding path program 1 times [2025-01-09 18:19:20,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:20,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008311930] [2025-01-09 18:19:20,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:20,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:20,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-09 18:19:20,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-09 18:19:20,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:20,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:20,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:19:20,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:20,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008311930] [2025-01-09 18:19:20,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008311930] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:20,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:19:20,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 18:19:20,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468473414] [2025-01-09 18:19:20,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:20,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:20,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:20,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:20,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:19:20,763 INFO L87 Difference]: Start difference. First operand 1209 states and 1726 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:19:20,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:20,813 INFO L93 Difference]: Finished difference Result 2415 states and 3449 transitions. [2025-01-09 18:19:20,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:20,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-01-09 18:19:20,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:20,822 INFO L225 Difference]: With dead ends: 2415 [2025-01-09 18:19:20,822 INFO L226 Difference]: Without dead ends: 1209 [2025-01-09 18:19:20,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:19:20,828 INFO L435 NwaCegarLoop]: 1218 mSDtfsCounter, 1209 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:20,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 1218 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:19:20,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2025-01-09 18:19:20,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2025-01-09 18:19:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 875 states have (on average 1.3691428571428572) internal successors, (1198), 896 states have internal predecessors, (1198), 266 states have call successors, (266), 68 states have call predecessors, (266), 67 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2025-01-09 18:19:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1724 transitions. [2025-01-09 18:19:20,875 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1724 transitions. Word has length 19 [2025-01-09 18:19:20,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:20,876 INFO L471 AbstractCegarLoop]: Abstraction has 1209 states and 1724 transitions. [2025-01-09 18:19:20,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:19:20,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1724 transitions. [2025-01-09 18:19:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-09 18:19:20,877 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:20,877 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:19:20,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:19:20,877 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:20,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:20,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1707339384, now seen corresponding path program 1 times [2025-01-09 18:19:20,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:20,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482153083] [2025-01-09 18:19:20,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:20,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:21,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-09 18:19:21,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-09 18:19:21,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:21,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:19:21,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:21,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482153083] [2025-01-09 18:19:21,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482153083] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:21,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:19:21,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:19:21,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922717100] [2025-01-09 18:19:21,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:21,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:21,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:21,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:21,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:19:21,434 INFO L87 Difference]: Start difference. First operand 1209 states and 1724 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:19:25,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:25,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:25,565 INFO L93 Difference]: Finished difference Result 3102 states and 4433 transitions. [2025-01-09 18:19:25,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:25,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2025-01-09 18:19:25,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:25,576 INFO L225 Difference]: With dead ends: 3102 [2025-01-09 18:19:25,576 INFO L226 Difference]: Without dead ends: 1896 [2025-01-09 18:19:25,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:19:25,581 INFO L435 NwaCegarLoop]: 2138 mSDtfsCounter, 1155 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 3146 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:25,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1155 Valid, 3146 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 18:19:25,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2025-01-09 18:19:25,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1892. [2025-01-09 18:19:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1892 states, 1377 states have (on average 1.373275236020334) internal successors, (1891), 1406 states have internal predecessors, (1891), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2025-01-09 18:19:25,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1892 states and 2703 transitions. [2025-01-09 18:19:25,692 INFO L78 Accepts]: Start accepts. Automaton has 1892 states and 2703 transitions. Word has length 25 [2025-01-09 18:19:25,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:25,693 INFO L471 AbstractCegarLoop]: Abstraction has 1892 states and 2703 transitions. [2025-01-09 18:19:25,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:19:25,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2703 transitions. [2025-01-09 18:19:25,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-09 18:19:25,695 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:25,695 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:19:25,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:19:25,695 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:25,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:25,696 INFO L85 PathProgramCache]: Analyzing trace with hash -731458117, now seen corresponding path program 1 times [2025-01-09 18:19:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:25,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163856014] [2025-01-09 18:19:25,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:25,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:26,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-09 18:19:26,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-09 18:19:26,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:26,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:26,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:19:26,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:26,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163856014] [2025-01-09 18:19:26,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163856014] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:26,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:19:26,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:19:26,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263437329] [2025-01-09 18:19:26,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:26,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:26,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:26,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:26,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:19:26,273 INFO L87 Difference]: Start difference. First operand 1892 states and 2703 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:19:26,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:26,418 INFO L93 Difference]: Finished difference Result 3809 states and 5447 transitions. [2025-01-09 18:19:26,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:26,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-01-09 18:19:26,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:26,429 INFO L225 Difference]: With dead ends: 3809 [2025-01-09 18:19:26,429 INFO L226 Difference]: Without dead ends: 1920 [2025-01-09 18:19:26,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:19:26,437 INFO L435 NwaCegarLoop]: 1213 mSDtfsCounter, 14 mSDsluCounter, 1209 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2422 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:26,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2422 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-09 18:19:26,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1920 states. [2025-01-09 18:19:26,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1920 to 1894. [2025-01-09 18:19:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1894 states, 1379 states have (on average 1.372733865119652) internal successors, (1893), 1408 states have internal predecessors, (1893), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2025-01-09 18:19:26,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1894 states and 2705 transitions. [2025-01-09 18:19:26,502 INFO L78 Accepts]: Start accepts. Automaton has 1894 states and 2705 transitions. Word has length 29 [2025-01-09 18:19:26,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:26,503 INFO L471 AbstractCegarLoop]: Abstraction has 1894 states and 2705 transitions. [2025-01-09 18:19:26,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:19:26,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2705 transitions. [2025-01-09 18:19:26,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-09 18:19:26,504 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:26,504 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:19:26,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:19:26,504 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:26,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:26,505 INFO L85 PathProgramCache]: Analyzing trace with hash 2090417796, now seen corresponding path program 1 times [2025-01-09 18:19:26,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:26,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923654417] [2025-01-09 18:19:26,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:26,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:26,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-09 18:19:26,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-09 18:19:26,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:26,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 18:19:26,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:26,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923654417] [2025-01-09 18:19:26,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923654417] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:26,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:19:26,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:19:26,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342477408] [2025-01-09 18:19:26,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:26,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:26,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:26,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:26,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:19:26,989 INFO L87 Difference]: Start difference. First operand 1894 states and 2705 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:19:27,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:27,102 INFO L93 Difference]: Finished difference Result 3799 states and 5429 transitions. [2025-01-09 18:19:27,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:27,103 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2025-01-09 18:19:27,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:27,113 INFO L225 Difference]: With dead ends: 3799 [2025-01-09 18:19:27,113 INFO L226 Difference]: Without dead ends: 1908 [2025-01-09 18:19:27,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:19:27,120 INFO L435 NwaCegarLoop]: 1217 mSDtfsCounter, 1 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2431 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:27,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2431 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:19:27,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2025-01-09 18:19:27,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1908. [2025-01-09 18:19:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1908 states, 1393 states have (on average 1.3732950466618807) internal successors, (1913), 1422 states have internal predecessors, (1913), 409 states have call successors, (409), 106 states have call predecessors, (409), 105 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2025-01-09 18:19:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2725 transitions. [2025-01-09 18:19:27,176 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2725 transitions. Word has length 35 [2025-01-09 18:19:27,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:27,177 INFO L471 AbstractCegarLoop]: Abstraction has 1908 states and 2725 transitions. [2025-01-09 18:19:27,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-09 18:19:27,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2725 transitions. [2025-01-09 18:19:27,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-09 18:19:27,178 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:27,178 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:19:27,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 18:19:27,178 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:27,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:27,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1317075735, now seen corresponding path program 1 times [2025-01-09 18:19:27,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:27,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801482101] [2025-01-09 18:19:27,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:27,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:27,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-09 18:19:27,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-09 18:19:27,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:27,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:27,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 18:19:27,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:27,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801482101] [2025-01-09 18:19:27,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801482101] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:27,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302328413] [2025-01-09 18:19:27,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:27,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:27,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:27,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:27,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 18:19:28,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-09 18:19:28,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-09 18:19:28,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:28,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:28,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 2780 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:28,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:28,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-09 18:19:28,720 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:28,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302328413] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:28,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:28,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:28,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481244550] [2025-01-09 18:19:28,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:28,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:28,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:28,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:28,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:28,721 INFO L87 Difference]: Start difference. First operand 1908 states and 2725 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 18:19:28,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:28,809 INFO L93 Difference]: Finished difference Result 3861 states and 5525 transitions. [2025-01-09 18:19:28,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:28,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2025-01-09 18:19:28,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:28,820 INFO L225 Difference]: With dead ends: 3861 [2025-01-09 18:19:28,820 INFO L226 Difference]: Without dead ends: 1956 [2025-01-09 18:19:28,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:28,828 INFO L435 NwaCegarLoop]: 1221 mSDtfsCounter, 13 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2433 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:28,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2433 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:19:28,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2025-01-09 18:19:28,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1956. [2025-01-09 18:19:28,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1429 states have (on average 1.3750874737578727) internal successors, (1965), 1458 states have internal predecessors, (1965), 421 states have call successors, (421), 106 states have call predecessors, (421), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2025-01-09 18:19:28,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2801 transitions. [2025-01-09 18:19:28,893 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2801 transitions. Word has length 41 [2025-01-09 18:19:28,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:28,893 INFO L471 AbstractCegarLoop]: Abstraction has 1956 states and 2801 transitions. [2025-01-09 18:19:28,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-09 18:19:28,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2801 transitions. [2025-01-09 18:19:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-09 18:19:28,895 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:28,895 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 18:19:28,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-09 18:19:29,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:29,096 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:29,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:29,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1829642483, now seen corresponding path program 1 times [2025-01-09 18:19:29,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:29,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618898583] [2025-01-09 18:19:29,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:29,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:29,416 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 18:19:29,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 18:19:29,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:29,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:19:29,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:29,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618898583] [2025-01-09 18:19:29,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618898583] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:29,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248842853] [2025-01-09 18:19:29,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:29,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:29,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:29,627 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:29,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 18:19:30,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 18:19:30,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 18:19:30,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:30,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:30,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 2798 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:30,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:19:30,496 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:30,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248842853] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:30,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:30,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:30,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509124284] [2025-01-09 18:19:30,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:30,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:30,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:30,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:30,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:30,497 INFO L87 Difference]: Start difference. First operand 1956 states and 2801 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:30,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:30,573 INFO L93 Difference]: Finished difference Result 1978 states and 2827 transitions. [2025-01-09 18:19:30,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:30,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2025-01-09 18:19:30,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:30,584 INFO L225 Difference]: With dead ends: 1978 [2025-01-09 18:19:30,585 INFO L226 Difference]: Without dead ends: 1967 [2025-01-09 18:19:30,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:30,586 INFO L435 NwaCegarLoop]: 1231 mSDtfsCounter, 1214 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1214 SdHoareTripleChecker+Valid, 1244 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:30,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1214 Valid, 1244 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:19:30,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1967 states. [2025-01-09 18:19:30,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1967 to 1956. [2025-01-09 18:19:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1429 states have (on average 1.3736878936319104) internal successors, (1963), 1458 states have internal predecessors, (1963), 421 states have call successors, (421), 106 states have call predecessors, (421), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2025-01-09 18:19:30,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2799 transitions. [2025-01-09 18:19:30,646 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2799 transitions. Word has length 46 [2025-01-09 18:19:30,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:30,646 INFO L471 AbstractCegarLoop]: Abstraction has 1956 states and 2799 transitions. [2025-01-09 18:19:30,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2799 transitions. [2025-01-09 18:19:30,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-09 18:19:30,647 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:30,647 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 18:19:30,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-09 18:19:30,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:30,848 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:30,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:30,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1772384181, now seen corresponding path program 1 times [2025-01-09 18:19:30,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:30,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624250578] [2025-01-09 18:19:30,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:30,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:31,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 18:19:31,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 18:19:31,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:31,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:19:31,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:31,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624250578] [2025-01-09 18:19:31,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624250578] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:31,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021205695] [2025-01-09 18:19:31,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:31,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:31,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:31,319 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:31,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-09 18:19:32,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 18:19:32,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 18:19:32,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:32,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:32,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 2795 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:32,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:19:32,340 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:32,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021205695] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:32,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:32,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:32,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071454692] [2025-01-09 18:19:32,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:32,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:32,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:32,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:32,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:32,341 INFO L87 Difference]: Start difference. First operand 1956 states and 2799 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:36,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:36,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:36,428 INFO L93 Difference]: Finished difference Result 1958 states and 2800 transitions. [2025-01-09 18:19:36,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:36,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2025-01-09 18:19:36,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:36,438 INFO L225 Difference]: With dead ends: 1958 [2025-01-09 18:19:36,438 INFO L226 Difference]: Without dead ends: 1955 [2025-01-09 18:19:36,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:36,440 INFO L435 NwaCegarLoop]: 1216 mSDtfsCounter, 1176 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:36,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1176 Valid, 1216 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2025-01-09 18:19:36,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2025-01-09 18:19:36,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1955. [2025-01-09 18:19:36,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1955 states, 1429 states have (on average 1.3729881035689293) internal successors, (1962), 1457 states have internal predecessors, (1962), 420 states have call successors, (420), 106 states have call predecessors, (420), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2025-01-09 18:19:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2797 transitions. [2025-01-09 18:19:36,503 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2797 transitions. Word has length 46 [2025-01-09 18:19:36,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:36,504 INFO L471 AbstractCegarLoop]: Abstraction has 1955 states and 2797 transitions. [2025-01-09 18:19:36,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:36,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2797 transitions. [2025-01-09 18:19:36,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-01-09 18:19:36,505 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:36,505 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 18:19:36,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 18:19:36,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:36,706 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:36,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:36,706 INFO L85 PathProgramCache]: Analyzing trace with hash 890282631, now seen corresponding path program 1 times [2025-01-09 18:19:36,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:36,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73620576] [2025-01-09 18:19:36,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:36,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:37,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-09 18:19:37,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-09 18:19:37,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:37,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:37,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:19:37,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:37,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73620576] [2025-01-09 18:19:37,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73620576] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:37,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129618113] [2025-01-09 18:19:37,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:37,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:37,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:37,181 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:37,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-09 18:19:37,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-09 18:19:38,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-09 18:19:38,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:38,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:38,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 2797 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:38,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:38,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:19:38,130 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:38,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129618113] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:38,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:38,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:38,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695795161] [2025-01-09 18:19:38,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:38,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:38,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:38,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:38,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:38,131 INFO L87 Difference]: Start difference. First operand 1955 states and 2797 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:42,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:42,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:42,209 INFO L93 Difference]: Finished difference Result 1957 states and 2798 transitions. [2025-01-09 18:19:42,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:42,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2025-01-09 18:19:42,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:42,218 INFO L225 Difference]: With dead ends: 1957 [2025-01-09 18:19:42,218 INFO L226 Difference]: Without dead ends: 1954 [2025-01-09 18:19:42,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:42,219 INFO L435 NwaCegarLoop]: 1214 mSDtfsCounter, 1173 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:42,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 1214 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2025-01-09 18:19:42,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2025-01-09 18:19:42,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1954. [2025-01-09 18:19:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1429 states have (on average 1.3722883135059483) internal successors, (1961), 1456 states have internal predecessors, (1961), 419 states have call successors, (419), 106 states have call predecessors, (419), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2025-01-09 18:19:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2795 transitions. [2025-01-09 18:19:42,289 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2795 transitions. Word has length 47 [2025-01-09 18:19:42,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:42,289 INFO L471 AbstractCegarLoop]: Abstraction has 1954 states and 2795 transitions. [2025-01-09 18:19:42,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:42,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2795 transitions. [2025-01-09 18:19:42,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-09 18:19:42,290 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:42,290 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 18:19:42,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-09 18:19:42,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-01-09 18:19:42,491 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:42,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:42,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1828580046, now seen corresponding path program 1 times [2025-01-09 18:19:42,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:42,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349659711] [2025-01-09 18:19:42,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:42,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:42,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-09 18:19:42,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-09 18:19:42,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:42,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:19:42,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:42,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349659711] [2025-01-09 18:19:42,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349659711] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:42,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054804220] [2025-01-09 18:19:42,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:42,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:42,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:42,995 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:42,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-09 18:19:43,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-09 18:19:43,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-09 18:19:43,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:43,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:43,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 2799 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:43,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:19:43,942 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:43,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054804220] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:43,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:43,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:43,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556466103] [2025-01-09 18:19:43,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:43,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:43,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:43,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:43,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:43,943 INFO L87 Difference]: Start difference. First operand 1954 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:47,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:48,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:48,030 INFO L93 Difference]: Finished difference Result 1956 states and 2796 transitions. [2025-01-09 18:19:48,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:48,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2025-01-09 18:19:48,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:48,039 INFO L225 Difference]: With dead ends: 1956 [2025-01-09 18:19:48,040 INFO L226 Difference]: Without dead ends: 1953 [2025-01-09 18:19:48,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:48,041 INFO L435 NwaCegarLoop]: 1212 mSDtfsCounter, 1170 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:48,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 1212 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2025-01-09 18:19:48,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2025-01-09 18:19:48,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1953. [2025-01-09 18:19:48,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1953 states, 1429 states have (on average 1.371588523442967) internal successors, (1960), 1455 states have internal predecessors, (1960), 418 states have call successors, (418), 106 states have call predecessors, (418), 105 states have return successors, (415), 415 states have call predecessors, (415), 415 states have call successors, (415) [2025-01-09 18:19:48,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2793 transitions. [2025-01-09 18:19:48,113 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2793 transitions. Word has length 48 [2025-01-09 18:19:48,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:48,114 INFO L471 AbstractCegarLoop]: Abstraction has 1953 states and 2793 transitions. [2025-01-09 18:19:48,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2793 transitions. [2025-01-09 18:19:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-09 18:19:48,115 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:48,115 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-09 18:19:48,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-09 18:19:48,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-09 18:19:48,316 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:48,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:48,317 INFO L85 PathProgramCache]: Analyzing trace with hash 851033706, now seen corresponding path program 1 times [2025-01-09 18:19:48,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:48,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808510210] [2025-01-09 18:19:48,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:48,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:48,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-09 18:19:48,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-09 18:19:48,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:48,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:48,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-09 18:19:48,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:48,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808510210] [2025-01-09 18:19:48,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808510210] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:48,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694746551] [2025-01-09 18:19:48,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:48,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:48,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:48,809 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:48,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-09 18:19:49,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-09 18:19:49,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-09 18:19:49,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:49,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:49,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 2801 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:49,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:19:49,747 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:49,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694746551] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:49,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:49,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:49,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404510022] [2025-01-09 18:19:49,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:49,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:49,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:49,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:49,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:49,748 INFO L87 Difference]: Start difference. First operand 1953 states and 2793 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:53,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:19:53,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:53,893 INFO L93 Difference]: Finished difference Result 2492 states and 3509 transitions. [2025-01-09 18:19:53,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:53,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2025-01-09 18:19:53,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:53,905 INFO L225 Difference]: With dead ends: 2492 [2025-01-09 18:19:53,906 INFO L226 Difference]: Without dead ends: 2447 [2025-01-09 18:19:53,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:53,909 INFO L435 NwaCegarLoop]: 1384 mSDtfsCounter, 1075 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 1883 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:53,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 1883 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 18:19:53,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2025-01-09 18:19:53,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 2447. [2025-01-09 18:19:54,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2447 states, 1758 states have (on average 1.3532423208191127) internal successors, (2379), 1793 states have internal predecessors, (2379), 536 states have call successors, (536), 153 states have call predecessors, (536), 152 states have return successors, (535), 535 states have call predecessors, (535), 535 states have call successors, (535) [2025-01-09 18:19:54,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2447 states and 3450 transitions. [2025-01-09 18:19:54,011 INFO L78 Accepts]: Start accepts. Automaton has 2447 states and 3450 transitions. Word has length 49 [2025-01-09 18:19:54,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:54,012 INFO L471 AbstractCegarLoop]: Abstraction has 2447 states and 3450 transitions. [2025-01-09 18:19:54,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-09 18:19:54,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 3450 transitions. [2025-01-09 18:19:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-01-09 18:19:54,019 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:54,019 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2025-01-09 18:19:54,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-09 18:19:54,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-09 18:19:54,220 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:54,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:54,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1124951880, now seen corresponding path program 1 times [2025-01-09 18:19:54,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:54,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515015629] [2025-01-09 18:19:54,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:54,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:54,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-09 18:19:54,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-09 18:19:54,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:54,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:54,724 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-09 18:19:54,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:54,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515015629] [2025-01-09 18:19:54,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515015629] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:54,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696279226] [2025-01-09 18:19:54,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:54,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:54,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:54,727 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:54,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-09 18:19:55,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-09 18:19:55,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-09 18:19:55,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:55,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:55,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 3021 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-09 18:19:55,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 18:19:55,642 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 18:19:55,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696279226] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:55,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 18:19:55,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2025-01-09 18:19:55,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215873057] [2025-01-09 18:19:55,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:55,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:55,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:55,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:55,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:55,643 INFO L87 Difference]: Start difference. First operand 2447 states and 3450 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 18:19:55,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:55,799 INFO L93 Difference]: Finished difference Result 4911 states and 6928 transitions. [2025-01-09 18:19:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:19:55,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2025-01-09 18:19:55,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:55,815 INFO L225 Difference]: With dead ends: 4911 [2025-01-09 18:19:55,816 INFO L226 Difference]: Without dead ends: 2467 [2025-01-09 18:19:55,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-09 18:19:55,825 INFO L435 NwaCegarLoop]: 1147 mSDtfsCounter, 21 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 2288 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:55,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 2288 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:19:55,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2467 states. [2025-01-09 18:19:55,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2467 to 2449. [2025-01-09 18:19:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2449 states, 1760 states have (on average 1.352840909090909) internal successors, (2381), 1795 states have internal predecessors, (2381), 536 states have call successors, (536), 153 states have call predecessors, (536), 152 states have return successors, (535), 535 states have call predecessors, (535), 535 states have call successors, (535) [2025-01-09 18:19:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2449 states and 3452 transitions. [2025-01-09 18:19:55,964 INFO L78 Accepts]: Start accepts. Automaton has 2449 states and 3452 transitions. Word has length 81 [2025-01-09 18:19:55,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:55,965 INFO L471 AbstractCegarLoop]: Abstraction has 2449 states and 3452 transitions. [2025-01-09 18:19:55,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 18:19:55,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 3452 transitions. [2025-01-09 18:19:55,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-01-09 18:19:55,968 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:55,969 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2025-01-09 18:19:55,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-09 18:19:56,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:56,170 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:56,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:56,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1043884371, now seen corresponding path program 1 times [2025-01-09 18:19:56,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:56,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170406661] [2025-01-09 18:19:56,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:56,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:56,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-09 18:19:56,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 18:19:56,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:56,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:56,645 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 18:19:56,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:56,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170406661] [2025-01-09 18:19:56,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170406661] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 18:19:56,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704110109] [2025-01-09 18:19:56,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:19:56,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:56,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:19:56,648 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 18:19:56,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-09 18:19:57,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-09 18:19:57,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-09 18:19:57,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:19:57,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:57,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 18:19:57,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 18:19:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:19:57,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-09 18:19:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-09 18:19:57,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704110109] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-09 18:19:57,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-09 18:19:57,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-09 18:19:57,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230822321] [2025-01-09 18:19:57,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-09 18:19:57,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 18:19:57,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:57,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 18:19:57,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-09 18:19:57,816 INFO L87 Difference]: Start difference. First operand 2449 states and 3452 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-09 18:19:58,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:19:58,108 INFO L93 Difference]: Finished difference Result 5067 states and 7169 transitions. [2025-01-09 18:19:58,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 18:19:58,109 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2025-01-09 18:19:58,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:19:58,129 INFO L225 Difference]: With dead ends: 5067 [2025-01-09 18:19:58,129 INFO L226 Difference]: Without dead ends: 2621 [2025-01-09 18:19:58,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-09 18:19:58,138 INFO L435 NwaCegarLoop]: 1158 mSDtfsCounter, 50 mSDsluCounter, 2337 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 3495 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-09 18:19:58,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 3495 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-09 18:19:58,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2621 states. [2025-01-09 18:19:58,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2621 to 2621. [2025-01-09 18:19:58,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2621 states, 1902 states have (on average 1.3517350157728707) internal successors, (2571), 1937 states have internal predecessors, (2571), 566 states have call successors, (566), 153 states have call predecessors, (566), 152 states have return successors, (565), 565 states have call predecessors, (565), 565 states have call successors, (565) [2025-01-09 18:19:58,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2621 states and 3702 transitions. [2025-01-09 18:19:58,266 INFO L78 Accepts]: Start accepts. Automaton has 2621 states and 3702 transitions. Word has length 85 [2025-01-09 18:19:58,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:19:58,266 INFO L471 AbstractCegarLoop]: Abstraction has 2621 states and 3702 transitions. [2025-01-09 18:19:58,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2025-01-09 18:19:58,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3702 transitions. [2025-01-09 18:19:58,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-01-09 18:19:58,272 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:19:58,272 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 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] [2025-01-09 18:19:58,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-09 18:19:58,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 18:19:58,473 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:19:58,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:19:58,474 INFO L85 PathProgramCache]: Analyzing trace with hash 562062280, now seen corresponding path program 2 times [2025-01-09 18:19:58,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:19:58,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247027998] [2025-01-09 18:19:58,474 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-09 18:19:58,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:19:58,813 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 103 statements into 2 equivalence classes. [2025-01-09 18:19:58,835 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 32 of 103 statements. [2025-01-09 18:19:58,835 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-09 18:19:58,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:19:58,973 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-09 18:19:58,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:19:58,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247027998] [2025-01-09 18:19:58,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247027998] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:19:58,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:19:58,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:19:58,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086586471] [2025-01-09 18:19:58,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:19:58,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:19:58,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:19:58,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:19:58,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:19:58,974 INFO L87 Difference]: Start difference. First operand 2621 states and 3702 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 18:20:03,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:20:03,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:20:03,101 INFO L93 Difference]: Finished difference Result 2621 states and 3702 transitions. [2025-01-09 18:20:03,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:20:03,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 103 [2025-01-09 18:20:03,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:20:03,105 INFO L225 Difference]: With dead ends: 2621 [2025-01-09 18:20:03,105 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 18:20:03,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:20:03,112 INFO L435 NwaCegarLoop]: 1397 mSDtfsCounter, 490 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 2468 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-01-09 18:20:03,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 2468 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-01-09 18:20:03,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 18:20:03,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 18:20:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:20:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 18:20:03,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2025-01-09 18:20:03,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:20:03,115 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 18:20:03,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-09 18:20:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 18:20:03,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 18:20:03,117 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 18:20:03,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-09 18:20:03,119 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:20:03,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 18:20:18,404 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 18:20:18,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 06:20:18 BoogieIcfgContainer [2025-01-09 18:20:18,420 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 18:20:18,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 18:20:18,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 18:20:18,421 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 18:20:18,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:19:18" (3/4) ... [2025-01-09 18:20:18,423 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 18:20:18,428 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2025-01-09 18:20:18,428 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2025-01-09 18:20:18,428 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_17 [2025-01-09 18:20:18,428 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_identify [2025-01-09 18:20:18,428 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2025-01-09 18:20:18,428 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2025-01-09 18:20:18,428 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_inc [2025-01-09 18:20:18,428 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2025-01-09 18:20:18,428 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2025-01-09 18:20:18,428 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2025-01-09 18:20:18,428 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2025-01-09 18:20:18,428 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_command [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_pt_mutex [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_wait [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_completion [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure device_destroy [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_block [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-01-09 18:20:18,429 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_sleep [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_probe [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_media_access_cmd [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_write_fm [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_rewind [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure iminor [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_atapi [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_poll_dsc [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure device_create [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pt_mutex [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure xn [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2025-01-09 18:20:18,430 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_req_sense [2025-01-09 18:20:18,431 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2025-01-09 18:20:18,431 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pt_reset [2025-01-09 18:20:18,431 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2025-01-09 18:20:18,458 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 334 nodes and edges [2025-01-09 18:20:18,461 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2025-01-09 18:20:18,464 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2025-01-09 18:20:18,466 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-01-09 18:20:18,469 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-09 18:20:18,471 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-09 18:20:18,473 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:20:18,474 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:20:18,661 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 18:20:18,661 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 18:20:18,661 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 18:20:18,662 INFO L158 Benchmark]: Toolchain (without parser) took 77432.78ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 105.6MB in the beginning and 470.1MB in the end (delta: -364.5MB). Peak memory consumption was 113.4MB. Max. memory is 16.1GB. [2025-01-09 18:20:18,662 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 226.5MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 18:20:18,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1003.24ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 77.0MB in the end (delta: 28.4MB). Peak memory consumption was 92.1MB. Max. memory is 16.1GB. [2025-01-09 18:20:18,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 160.60ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 61.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 18:20:18,663 INFO L158 Benchmark]: Boogie Preprocessor took 325.05ms. Allocated memory is still 142.6MB. Free memory was 61.6MB in the beginning and 81.0MB in the end (delta: -19.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2025-01-09 18:20:18,663 INFO L158 Benchmark]: RCFGBuilder took 15780.06ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 81.0MB in the beginning and 75.0MB in the end (delta: 6.0MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2025-01-09 18:20:18,663 INFO L158 Benchmark]: TraceAbstraction took 59916.63ms. Allocated memory was 226.5MB in the beginning and 620.8MB in the end (delta: 394.3MB). Free memory was 74.0MB in the beginning and 512.0MB in the end (delta: -438.0MB). Peak memory consumption was 481.9MB. Max. memory is 16.1GB. [2025-01-09 18:20:18,663 INFO L158 Benchmark]: Witness Printer took 241.10ms. Allocated memory is still 620.8MB. Free memory was 512.0MB in the beginning and 470.1MB in the end (delta: 41.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 18:20:18,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 226.5MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1003.24ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 77.0MB in the end (delta: 28.4MB). Peak memory consumption was 92.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 160.60ms. Allocated memory is still 142.6MB. Free memory was 77.0MB in the beginning and 61.6MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 325.05ms. Allocated memory is still 142.6MB. Free memory was 61.6MB in the beginning and 81.0MB in the end (delta: -19.4MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * RCFGBuilder took 15780.06ms. Allocated memory was 142.6MB in the beginning and 226.5MB in the end (delta: 83.9MB). Free memory was 81.0MB in the beginning and 75.0MB in the end (delta: 6.0MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. * TraceAbstraction took 59916.63ms. Allocated memory was 226.5MB in the beginning and 620.8MB in the end (delta: 394.3MB). Free memory was 74.0MB in the beginning and 512.0MB in the end (delta: -438.0MB). Peak memory consumption was 481.9MB. Max. memory is 16.1GB. * Witness Printer took 241.10ms. Allocated memory is still 620.8MB. Free memory was 512.0MB in the beginning and 470.1MB in the end (delta: 41.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2827]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [2827] - GenericResultAtLocation [Line: 2834]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [2834-2835] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4617]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 867 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.6s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 26.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 9351 SdHoareTripleChecker+Valid, 24.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9328 mSDsluCounter, 29404 SdHoareTripleChecker+Invalid, 24.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10889 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 18515 mSDtfsCounter, 171 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 569 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2621occurred in iteration=13, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 95 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1116 NumberOfCodeBlocks, 1045 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1178 ConstructedInterpolants, 0 QuantifiedInterpolants, 1772 SizeOfPredicates, 0 NumberOfNonLiveVariables, 22819 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 23 InterpolantComputations, 13 PerfectInterpolantSequences, 148/158 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 3376]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3820]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (2 == ldv_mutex_pt_mutex)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3662]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 4298]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3274]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (2 == ldv_mutex_pt_mutex)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3195]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4039]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3420]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 4075]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3376]: Location Invariant Derived location invariant: (((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 4129]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 4213]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3056]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (2 == ldv_mutex_pt_mutex)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) - InvariantResult [Line: 3955]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3235]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 3905]: Location Invariant Derived location invariant: ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3717]: Loop Invariant Derived loop invariant: ((((((((ldv_state_variable_0 == 1) && (1 == ldv_mutex_mutex_of_device)) && (disable == 0)) && (unit <= 3)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) - InvariantResult [Line: 3056]: Location Invariant Derived location invariant: (((((((1 == ldv_mutex_mutex_of_device) && (2 == ldv_mutex_pt_mutex)) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1)) || ((((((1 == ldv_mutex_mutex_of_device) && (disable == 0)) && (ldv_retval_pt_init == 0)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pt_mutex == 1)) && (ldv_mutex_cred_guard_mutex_of_signal_struct == 1))) RESULT: Ultimate proved your program to be correct! [2025-01-09 18:20:18,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE