./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', 'b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e'] 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.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 b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 13:38:47,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 13:38:48,033 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 13:38:48,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 13:38:48,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 13:38:48,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 13:38:48,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 13:38:48,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 13:38:48,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 13:38:48,075 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 13:38:48,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 13:38:48,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 13:38:48,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 13:38:48,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 13:38:48,077 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 13:38:48,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 13:38:48,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 13:38:48,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 13:38:48,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 13:38:48,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 13:38:48,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 13:38:48,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 13:38:48,077 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 13:38:48,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 13:38:48,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 13:38:48,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 13:38:48,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 13:38:48,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 13:38:48,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 13:38:48,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:38:48,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 13:38:48,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 13:38:48,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 13:38:48,078 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 13:38:48,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 13:38:48,078 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 13:38:48,078 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 13:38:48,078 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 13:38:48,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 13:38:48,078 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 -> b615ef3e9ec848bbbdbcac9993fc5d609594ef1caaa279a862c4f038e6ec482e [2024-11-07 13:38:48,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 13:38:48,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 13:38:48,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 13:38:48,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 13:38:48,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 13:38:48,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2024-11-07 13:38:49,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 13:38:50,389 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 13:38:50,390 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2024-11-07 13:38:50,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9c4e4753/839a16f5af3441d193fa6fd4155e4448/FLAGddc287244 [2024-11-07 13:38:50,462 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e9c4e4753/839a16f5af3441d193fa6fd4155e4448 [2024-11-07 13:38:50,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 13:38:50,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 13:38:50,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 13:38:50,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 13:38:50,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 13:38:50,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:50" (1/1) ... [2024-11-07 13:38:50,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d97ac10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:50, skipping insertion in model container [2024-11-07 13:38:50,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:38:50" (1/1) ... [2024-11-07 13:38:50,587 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 13:38:51,828 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2024-11-07 13:38:51,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:38:51,916 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 13:38:52,072 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; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5300] [2024-11-07 13:38:52,074 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5307] [2024-11-07 13:38:52,082 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5446] [2024-11-07 13:38:52,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5454] [2024-11-07 13:38:52,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1,%b0": "=a" (_v): "d" (port)); [5637] [2024-11-07 13:38:52,210 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i[208194,208207] [2024-11-07 13:38:52,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 13:38:52,318 INFO L204 MainTranslator]: Completed translation [2024-11-07 13:38:52,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52 WrapperNode [2024-11-07 13:38:52,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 13:38:52,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 13:38:52,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 13:38:52,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 13:38:52,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (1/1) ... [2024-11-07 13:38:52,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (1/1) ... [2024-11-07 13:38:52,548 INFO L138 Inliner]: procedures = 152, calls = 711, calls flagged for inlining = 70, calls inlined = 67, statements flattened = 1996 [2024-11-07 13:38:52,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 13:38:52,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 13:38:52,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 13:38:52,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 13:38:52,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (1/1) ... [2024-11-07 13:38:52,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (1/1) ... [2024-11-07 13:38:52,594 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (1/1) ... [2024-11-07 13:38:52,746 INFO L175 MemorySlicer]: Split 327 memory accesses to 10 slices as follows [2, 209, 23, 61, 6, 3, 4, 4, 4, 11]. 64 percent of accesses are in the largest equivalence class. The 39 initializations are split as follows [2, 0, 23, 0, 0, 2, 2, 0, 2, 8]. The 192 writes are split as follows [0, 125, 0, 61, 4, 0, 0, 2, 0, 0]. [2024-11-07 13:38:52,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (1/1) ... [2024-11-07 13:38:52,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (1/1) ... [2024-11-07 13:38:52,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (1/1) ... [2024-11-07 13:38:52,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (1/1) ... [2024-11-07 13:38:52,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (1/1) ... [2024-11-07 13:38:52,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (1/1) ... [2024-11-07 13:38:52,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 13:38:52,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 13:38:52,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 13:38:52,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 13:38:52,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (1/1) ... [2024-11-07 13:38:52,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 13:38:52,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 13:38:52,952 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) [2024-11-07 13:38:52,955 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 [2024-11-07 13:38:53,012 INFO L130 BoogieDeclarations]: Found specification of procedure atp_probe1 [2024-11-07 13:38:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure atp_probe1 [2024-11-07 13:38:53,013 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2024-11-07 13:38:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2024-11-07 13:38:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 13:38:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 13:38:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 13:38:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 13:38:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 13:38:53,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 13:38:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 13:38:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 13:38:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 13:38:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-07 13:38:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure read_block [2024-11-07 13:38:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure read_block [2024-11-07 13:38:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 13:38:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 13:38:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 13:38:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 13:38:53,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 13:38:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 13:38:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 13:38:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 13:38:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 13:38:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-07 13:38:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-07 13:38:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-07 13:38:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 13:38:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 13:38:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 13:38:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 13:38:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 13:38:53,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-07 13:38:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2024-11-07 13:38:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-07 13:38:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode0 [2024-11-07 13:38:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode0 [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure write_byte_mode1 [2024-11-07 13:38:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure write_byte_mode1 [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-07 13:38:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-07 13:38:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 13:38:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-07 13:38:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2024-11-07 13:38:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 13:38:53,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure net_rx [2024-11-07 13:38:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure net_rx [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-07 13:38:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_high [2024-11-07 13:38:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_high [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-07 13:38:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 13:38:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-07 13:38:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure read_nibble [2024-11-07 13:38:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nibble [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2024-11-07 13:38:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 13:38:53,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 13:38:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 13:38:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 13:38:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 13:38:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 13:38:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 13:38:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 13:38:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 13:38:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 13:38:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 13:38:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-07 13:38:53,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-07 13:38:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-07 13:38:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-11-07 13:38:53,023 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-11-07 13:38:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2024-11-07 13:38:53,024 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2024-11-07 13:38:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 13:38:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 13:38:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 13:38:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 13:38:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 13:38:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 13:38:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 13:38:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 13:38:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 13:38:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-07 13:38:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-07 13:38:53,024 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-07 13:38:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg_byte [2024-11-07 13:38:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg_byte [2024-11-07 13:38:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2024-11-07 13:38:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2024-11-07 13:38:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2024-11-07 13:38:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2024-11-07 13:38:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 13:38:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure inbyte [2024-11-07 13:38:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure inbyte [2024-11-07 13:38:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-07 13:38:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_send [2024-11-07 13:38:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_send [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-07 13:38:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-07 13:38:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2024-11-07 13:38:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-07 13:38:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-07 13:38:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-07 13:38:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_op [2024-11-07 13:38:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_op [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-07 13:38:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 13:38:53,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 13:38:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 13:38:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-07 13:38:53,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 13:38:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 13:38:53,550 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 13:38:53,553 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 13:38:54,331 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-07 13:39:01,890 INFO L? ?]: Removed 777 outVars from TransFormulas that were not future-live. [2024-11-07 13:39:01,891 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 13:39:01,941 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 13:39:01,941 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 13:39:01,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:01 BoogieIcfgContainer [2024-11-07 13:39:01,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 13:39:01,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 13:39:01,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 13:39:01,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 13:39:01,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:38:50" (1/3) ... [2024-11-07 13:39:01,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b069d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:39:01, skipping insertion in model container [2024-11-07 13:39:01,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:38:52" (2/3) ... [2024-11-07 13:39:01,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b069d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:39:01, skipping insertion in model container [2024-11-07 13:39:01,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:01" (3/3) ... [2024-11-07 13:39:01,953 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--realtek--atp.ko-entry_point.cil.out.i [2024-11-07 13:39:01,971 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 13:39:01,971 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 13:39:02,071 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 13:39:02,082 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;@258c6873, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 13:39:02,082 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 13:39:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 924 states, 640 states have (on average 1.3703125) internal successors, (877), 655 states have internal predecessors, (877), 243 states have call successors, (243), 40 states have call predecessors, (243), 39 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-07 13:39:02,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-07 13:39:02,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:39:02,152 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:39:02,152 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:39:02,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:39:02,157 INFO L85 PathProgramCache]: Analyzing trace with hash -29821721, now seen corresponding path program 1 times [2024-11-07 13:39:02,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:39:02,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755454249] [2024-11-07 13:39:02,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:39:02,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:39:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:39:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:39:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:39:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:39:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:39:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:39:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 13:39:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 13:39:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:39:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 13:39:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 13:39:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:39:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 13:39:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 13:39:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 13:39:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:39:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:39:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 13:39:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-07 13:39:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:39:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 13:39:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 13:39:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 13:39:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:39:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:39:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 13:39:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-07 13:39:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:39:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 13:39:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 13:39:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:39:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 13:39:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-07 13:39:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:39:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 13:39:06,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 13:39:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 13:39:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:39:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:39:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 13:39:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-07 13:39:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:39:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 13:39:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 13:39:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:39:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 13:39:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-11-07 13:39:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 13:39:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 13:39:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 13:39:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 13:39:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 13:39:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 13:39:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 13:39:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-07 13:39:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:06,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-11-07 13:39:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:07,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-11-07 13:39:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:07,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 13:39:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:07,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:39:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:07,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 13:39:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:07,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 13:39:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:07,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:39:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:07,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:39:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2476 trivial. 0 not checked. [2024-11-07 13:39:07,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:39:07,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755454249] [2024-11-07 13:39:07,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755454249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:39:07,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:39:07,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 13:39:07,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416387829] [2024-11-07 13:39:07,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:39:07,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 13:39:07,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:39:07,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 13:39:07,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 13:39:07,159 INFO L87 Difference]: Start difference. First operand has 924 states, 640 states have (on average 1.3703125) internal successors, (877), 655 states have internal predecessors, (877), 243 states have call successors, (243), 40 states have call predecessors, (243), 39 states have return successors, (238), 236 states have call predecessors, (238), 238 states have call successors, (238) Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 2 states have internal predecessors, (105), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-07 13:39:11,198 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 [] [2024-11-07 13:39:15,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:39:19,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:39:23,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:39:41,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 13:39:41,659 INFO L93 Difference]: Finished difference Result 1974 states and 3009 transitions. [2024-11-07 13:39:41,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 13:39:41,661 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 2 states have internal predecessors, (105), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 365 [2024-11-07 13:39:41,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 13:39:41,681 INFO L225 Difference]: With dead ends: 1974 [2024-11-07 13:39:41,681 INFO L226 Difference]: Without dead ends: 1033 [2024-11-07 13:39:41,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-07 13:39:41,702 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 1388 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 2035 mSolverCounterSat, 1152 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1438 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 3191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1152 IncrementalHoareTripleChecker+Valid, 2035 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2024-11-07 13:39:41,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1438 Valid, 1892 Invalid, 3191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1152 Valid, 2035 Invalid, 4 Unknown, 0 Unchecked, 33.7s Time] [2024-11-07 13:39:41,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-07 13:39:41,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 902. [2024-11-07 13:39:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 627 states have (on average 1.3365231259968102) internal successors, (838), 635 states have internal predecessors, (838), 236 states have call successors, (236), 39 states have call predecessors, (236), 38 states have return successors, (235), 233 states have call predecessors, (235), 235 states have call successors, (235) [2024-11-07 13:39:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1309 transitions. [2024-11-07 13:39:41,940 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1309 transitions. Word has length 365 [2024-11-07 13:39:41,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 13:39:41,941 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1309 transitions. [2024-11-07 13:39:41,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 2 states have internal predecessors, (105), 2 states have call successors, (46), 6 states have call predecessors, (46), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-07 13:39:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1309 transitions. [2024-11-07 13:39:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-07 13:39:41,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 13:39:41,983 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 13:39:41,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 13:39:41,984 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 13:39:41,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 13:39:41,990 INFO L85 PathProgramCache]: Analyzing trace with hash -635709588, now seen corresponding path program 1 times [2024-11-07 13:39:41,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 13:39:41,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998759065] [2024-11-07 13:39:41,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 13:39:41,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 13:39:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:39:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:39:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:39:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 13:39:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:39:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 13:39:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 13:39:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-07 13:39:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:39:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 13:39:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 13:39:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:39:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 13:39:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 13:39:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 13:39:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:39:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:39:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 13:39:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 13:39:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:39:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 13:39:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 13:39:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 13:39:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:39:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:39:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 13:39:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 13:39:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:39:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 13:39:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 13:39:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:39:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 13:39:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 13:39:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 13:39:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 13:39:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 13:39:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 13:39:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:39:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:39:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 13:39:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 13:39:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 13:39:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 13:39:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 13:39:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 13:39:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 13:39:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-07 13:39:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 13:39:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 13:39:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:45,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 13:39:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 13:39:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 13:39:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 13:39:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 13:39:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-11-07 13:39:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-07 13:39:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-07 13:39:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 13:39:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 13:39:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 13:39:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 13:39:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 13:39:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 13:39:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 13:39:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2476 trivial. 0 not checked. [2024-11-07 13:39:46,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 13:39:46,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998759065] [2024-11-07 13:39:46,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998759065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 13:39:46,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 13:39:46,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 13:39:46,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510630124] [2024-11-07 13:39:46,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 13:39:46,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 13:39:46,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 13:39:46,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 13:39:46,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 13:39:46,329 INFO L87 Difference]: Start difference. First operand 902 states and 1309 transitions. Second operand has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-07 13:39:50,359 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 [] [2024-11-07 13:39:54,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:39:58,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 13:40:02,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []