./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 15:31:20,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:31:20,078 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:31:20,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:31:20,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:31:20,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:31:20,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:31:20,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:31:20,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:31:20,133 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:31:20,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:31:20,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:31:20,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:31:20,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:31:20,138 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:31:20,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:31:20,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:31:20,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:31:20,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:31:20,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:31:20,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:31:20,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:31:20,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:31:20,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:31:20,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:31:20,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:31:20,141 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:31:20,141 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:31:20,141 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:31:20,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:31:20,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:31:20,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:31:20,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:31:20,142 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:31:20,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:31:20,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:31:20,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:31:20,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:31:20,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:31:20,146 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 [2024-10-11 15:31:20,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:31:20,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:31:20,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:31:20,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:31:20,424 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:31:20,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2024-10-11 15:31:21,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:31:22,325 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:31:22,327 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2024-10-11 15:31:22,364 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/980e7f8b8/678b5274fafa4061b973473e2773b288/FLAG5b282ae41 [2024-10-11 15:31:22,379 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/980e7f8b8/678b5274fafa4061b973473e2773b288 [2024-10-11 15:31:22,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:31:22,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:31:22,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:31:22,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:31:22,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:31:22,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:31:22" (1/1) ... [2024-10-11 15:31:22,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ac2504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:22, skipping insertion in model container [2024-10-11 15:31:22,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:31:22" (1/1) ... [2024-10-11 15:31:22,496 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:31:23,901 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2024-10-11 15:31:24,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:31:24,077 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:31:24,161 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"); [3376] [2024-10-11 15:31:24,164 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3384-3385] [2024-10-11 15:31:24,165 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3393-3394] [2024-10-11 15:31:24,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3402-3403] [2024-10-11 15:31:24,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3421] [2024-10-11 15:31:24,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3424] [2024-10-11 15:31:24,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3427] [2024-10-11 15:31:24,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3430] [2024-10-11 15:31:24,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3451] [2024-10-11 15:31:24,173 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3454] [2024-10-11 15:31:24,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3457] [2024-10-11 15:31:24,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [3460] [2024-10-11 15:31:24,344 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2024-10-11 15:31:24,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:31:24,440 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:31:24,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24 WrapperNode [2024-10-11 15:31:24,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:31:24,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:31:24,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:31:24,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:31:24,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (1/1) ... [2024-10-11 15:31:24,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (1/1) ... [2024-10-11 15:31:24,635 INFO L138 Inliner]: procedures = 222, calls = 889, calls flagged for inlining = 80, calls inlined = 75, statements flattened = 2794 [2024-10-11 15:31:24,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:31:24,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:31:24,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:31:24,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:31:24,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (1/1) ... [2024-10-11 15:31:24,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (1/1) ... [2024-10-11 15:31:24,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (1/1) ... [2024-10-11 15:31:24,835 INFO L175 MemorySlicer]: Split 384 memory accesses to 20 slices as follows [2, 5, 5, 1, 28, 6, 15, 15, 24, 3, 5, 12, 8, 199, 1, 27, 3, 14, 8, 3]. 52 percent of accesses are in the largest equivalence class. The 170 initializations are split as follows [2, 5, 5, 0, 28, 6, 8, 8, 24, 3, 5, 0, 8, 24, 0, 27, 3, 3, 8, 3]. The 58 writes are split as follows [0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 2, 0, 42, 1, 0, 0, 10, 0, 0]. [2024-10-11 15:31:24,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (1/1) ... [2024-10-11 15:31:24,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (1/1) ... [2024-10-11 15:31:24,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (1/1) ... [2024-10-11 15:31:24,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (1/1) ... [2024-10-11 15:31:24,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (1/1) ... [2024-10-11 15:31:24,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (1/1) ... [2024-10-11 15:31:25,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:31:25,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:31:25,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:31:25,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:31:25,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (1/1) ... [2024-10-11 15:31:25,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:31:25,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:31:25,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:31:25,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:31:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2024-10-11 15:31:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2024-10-11 15:31:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure lp_error [2024-10-11 15:31:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_error [2024-10-11 15:31:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 15:31:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 15:31:25,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-11 15:31:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-11 15:31:25,104 INFO L130 BoogieDeclarations]: Found specification of procedure lp_register [2024-10-11 15:31:25,105 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_register [2024-10-11 15:31:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2024-10-11 15:31:25,105 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2024-10-11 15:31:25,105 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-10-11 15:31:25,105 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-10-11 15:31:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release_parport [2024-10-11 15:31:25,106 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release_parport [2024-10-11 15:31:25,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:31:25,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:31:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-10-11 15:31:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-10-11 15:31:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:31:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:31:25,107 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 15:31:25,107 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 15:31:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-10-11 15:31:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-10-11 15:31:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-10-11 15:31:25,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2024-10-11 15:31:25,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2024-10-11 15:31:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2024-10-11 15:31:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:31:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure lp_set_timeout [2024-10-11 15:31:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_set_timeout [2024-10-11 15:31:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure lp_reset [2024-10-11 15:31:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_reset [2024-10-11 15:31:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2024-10-11 15:31:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2024-10-11 15:31:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:31:25,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:31:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:31:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:31:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:31:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:31:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:31:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:31:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:31:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:31:25,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:31:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-11 15:31:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-11 15:31:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-11 15:31:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-11 15:31:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-11 15:31:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-11 15:31:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-11 15:31:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-11 15:31:25,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-11 15:31:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-10-11 15:31:25,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-10-11 15:31:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2024-10-11 15:31:25,113 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2024-10-11 15:31:25,113 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-10-11 15:31:25,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-10-11 15:31:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure parport_write [2024-10-11 15:31:25,114 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_write [2024-10-11 15:31:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:31:25,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:31:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:31:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:31:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:31:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:31:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:31:25,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:31:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:31:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:31:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:31:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:31:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-11 15:31:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-11 15:31:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-11 15:31:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-11 15:31:25,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-11 15:31:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-11 15:31:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-11 15:31:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-11 15:31:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-11 15:31:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:31:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:31:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-10-11 15:31:25,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-10-11 15:31:25,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lp_mutex [2024-10-11 15:31:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lp_mutex [2024-10-11 15:31:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2024-10-11 15:31:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2024-10-11 15:31:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure parport_negotiate [2024-10-11 15:31:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_negotiate [2024-10-11 15:31:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2024-10-11 15:31:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2024-10-11 15:31:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2024-10-11 15:31:25,118 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2024-10-11 15:31:25,118 INFO L130 BoogieDeclarations]: Found specification of procedure parport_set_timeout [2024-10-11 15:31:25,119 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_set_timeout [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-11 15:31:25,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-11 15:31:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-11 15:31:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-11 15:31:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-11 15:31:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-11 15:31:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-10-11 15:31:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-10-11 15:31:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2024-10-11 15:31:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2024-10-11 15:31:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure lp_do_ioctl [2024-10-11 15:31:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_do_ioctl [2024-10-11 15:31:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-10-11 15:31:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-10-11 15:31:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:31:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:31:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:31:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:31:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:31:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:31:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:31:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:31:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:31:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:31:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:31:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-11 15:31:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-11 15:31:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-11 15:31:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-11 15:31:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-11 15:31:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-11 15:31:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-11 15:31:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-10-11 15:31:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-10-11 15:31:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-10-11 15:31:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-10-11 15:31:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-11 15:31:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-11 15:31:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-11 15:31:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-11 15:31:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure lp_claim_parport_or_block [2024-10-11 15:31:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_claim_parport_or_block [2024-10-11 15:31:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2024-10-11 15:31:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2024-10-11 15:31:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:31:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-10-11 15:31:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-10-11 15:31:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-11 15:31:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-11 15:31:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-10-11 15:31:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-10-11 15:31:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-10-11 15:31:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-11 15:31:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-11 15:31:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-11 15:31:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-11 15:31:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-11 15:31:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-11 15:31:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-11 15:31:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-11 15:31:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure lp_detach [2024-10-11 15:31:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_detach [2024-10-11 15:31:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lp_mutex [2024-10-11 15:31:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lp_mutex [2024-10-11 15:31:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:31:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-10-11 15:31:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure lp_negotiate [2024-10-11 15:31:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_negotiate [2024-10-11 15:31:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2024-10-11 15:31:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2024-10-11 15:31:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2024-10-11 15:31:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2024-10-11 15:31:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure lp_wait_ready [2024-10-11 15:31:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_wait_ready [2024-10-11 15:31:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2024-10-11 15:31:25,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2024-10-11 15:31:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2024-10-11 15:31:25,129 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2024-10-11 15:31:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:31:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:31:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:31:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:31:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:31:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:31:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:31:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:31:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:31:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:31:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:31:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-11 15:31:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-11 15:31:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-11 15:31:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-11 15:31:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-11 15:31:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-11 15:31:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-11 15:31:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-10-11 15:31:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-10-11 15:31:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure lp_write [2024-10-11 15:31:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_write [2024-10-11 15:31:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-10-11 15:31:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-10-11 15:31:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-10-11 15:31:25,131 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-10-11 15:31:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:31:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:31:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure parport_yield_blocking [2024-10-11 15:31:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_yield_blocking [2024-10-11 15:31:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-10-11 15:31:25,132 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-10-11 15:31:25,685 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:31:25,688 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:31:25,791 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 15:31:27,845 INFO L? ?]: Removed 1075 outVars from TransFormulas that were not future-live. [2024-10-11 15:31:27,845 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:31:28,094 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:31:28,095 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 15:31:28,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:31:28 BoogieIcfgContainer [2024-10-11 15:31:28,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:31:28,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:31:28,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:31:28,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:31:28,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:31:22" (1/3) ... [2024-10-11 15:31:28,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ed66ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:31:28, skipping insertion in model container [2024-10-11 15:31:28,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:31:24" (2/3) ... [2024-10-11 15:31:28,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50ed66ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:31:28, skipping insertion in model container [2024-10-11 15:31:28,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:31:28" (3/3) ... [2024-10-11 15:31:28,105 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2024-10-11 15:31:28,123 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:31:28,124 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-11 15:31:28,229 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:31:28,238 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;@368b000d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:31:28,239 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-10-11 15:31:28,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 886 states, 624 states have (on average 1.453525641025641) internal successors, (907), 648 states have internal predecessors, (907), 203 states have call successors, (203), 56 states have call predecessors, (203), 55 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2024-10-11 15:31:28,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-11 15:31:28,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:31:28,271 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:31:28,272 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting get_currentErr0ASSERT_VIOLATIONUNKNOWN === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:31:28,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:31:28,277 INFO L85 PathProgramCache]: Analyzing trace with hash -528245565, now seen corresponding path program 1 times [2024-10-11 15:31:28,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:31:28,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712880926] [2024-10-11 15:31:28,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:31:28,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:31:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:28,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:28,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:28,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:28,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:31:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:28,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:28,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:31:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:31:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:31:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:31:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:31:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:31:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:31:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:31:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:31:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:31:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:31:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:31:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:31:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:29,304 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-11 15:31:29,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:31:29,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712880926] [2024-10-11 15:31:29,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712880926] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:31:29,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:31:29,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:31:29,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487276974] [2024-10-11 15:31:29,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:31:29,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:31:29,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:31:29,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:31:29,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:31:29,344 INFO L87 Difference]: Start difference. First operand has 886 states, 624 states have (on average 1.453525641025641) internal successors, (907), 648 states have internal predecessors, (907), 203 states have call successors, (203), 56 states have call predecessors, (203), 55 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 15:31:31,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:31:31,782 INFO L93 Difference]: Finished difference Result 1825 states and 2753 transitions. [2024-10-11 15:31:31,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 15:31:31,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2024-10-11 15:31:31,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:31:31,808 INFO L225 Difference]: With dead ends: 1825 [2024-10-11 15:31:31,808 INFO L226 Difference]: Without dead ends: 933 [2024-10-11 15:31:31,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:31:31,827 INFO L432 NwaCegarLoop]: 630 mSDtfsCounter, 1081 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 1320 mSolverCounterSat, 731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 1419 SdHoareTripleChecker+Invalid, 2051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 731 IncrementalHoareTripleChecker+Valid, 1320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:31:31,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1120 Valid, 1419 Invalid, 2051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [731 Valid, 1320 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 15:31:31,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-10-11 15:31:31,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 877. [2024-10-11 15:31:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 622 states have (on average 1.427652733118971) internal successors, (888), 639 states have internal predecessors, (888), 198 states have call successors, (198), 55 states have call predecessors, (198), 54 states have return successors, (189), 189 states have call predecessors, (189), 189 states have call successors, (189) [2024-10-11 15:31:31,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1275 transitions. [2024-10-11 15:31:31,966 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1275 transitions. Word has length 147 [2024-10-11 15:31:31,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:31:31,969 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1275 transitions. [2024-10-11 15:31:31,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 15:31:31,969 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1275 transitions. [2024-10-11 15:31:31,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-11 15:31:31,979 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:31:31,979 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:31:31,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:31:31,980 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting get_currentErr0ASSERT_VIOLATIONUNKNOWN === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:31:31,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:31:31,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1910492599, now seen corresponding path program 1 times [2024-10-11 15:31:31,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:31:31,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145793184] [2024-10-11 15:31:31,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:31:31,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:31:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:31:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:31:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:31:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:31:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:31:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:31:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:31:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:31:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:31:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:31:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:31:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:31:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:31:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:31:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:32,506 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-11 15:31:32,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:31:32,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145793184] [2024-10-11 15:31:32,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145793184] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:31:32,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:31:32,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:31:32,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319035609] [2024-10-11 15:31:32,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:31:32,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:31:32,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:31:32,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:31:32,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:31:32,511 INFO L87 Difference]: Start difference. First operand 877 states and 1275 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-11 15:31:35,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:31:35,763 INFO L93 Difference]: Finished difference Result 2016 states and 2926 transitions. [2024-10-11 15:31:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:31:35,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 147 [2024-10-11 15:31:35,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:31:35,780 INFO L225 Difference]: With dead ends: 2016 [2024-10-11 15:31:35,781 INFO L226 Difference]: Without dead ends: 1173 [2024-10-11 15:31:35,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-11 15:31:35,787 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 1300 mSDsluCounter, 1592 mSDsCounter, 0 mSdLazyCounter, 2487 mSolverCounterSat, 643 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 2210 SdHoareTripleChecker+Invalid, 3130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 643 IncrementalHoareTripleChecker+Valid, 2487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:31:35,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 2210 Invalid, 3130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [643 Valid, 2487 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-11 15:31:35,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2024-10-11 15:31:35,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1091. [2024-10-11 15:31:35,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 778 states have (on average 1.430591259640103) internal successors, (1113), 797 states have internal predecessors, (1113), 233 states have call successors, (233), 78 states have call predecessors, (233), 77 states have return successors, (224), 223 states have call predecessors, (224), 224 states have call successors, (224) [2024-10-11 15:31:35,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1570 transitions. [2024-10-11 15:31:35,866 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1570 transitions. Word has length 147 [2024-10-11 15:31:35,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:31:35,868 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1570 transitions. [2024-10-11 15:31:35,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-11 15:31:35,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1570 transitions. [2024-10-11 15:31:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-11 15:31:35,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:31:35,874 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:31:35,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:31:35,875 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:31:35,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:31:35,875 INFO L85 PathProgramCache]: Analyzing trace with hash 868521266, now seen corresponding path program 1 times [2024-10-11 15:31:35,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:31:35,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769312908] [2024-10-11 15:31:35,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:31:35,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:31:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:31:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:31:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:31:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:31:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:31:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:31:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:31:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:31:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:31:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:31:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:31:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:31:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:31:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:31:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-11 15:31:36,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:31:36,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769312908] [2024-10-11 15:31:36,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769312908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:31:36,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:31:36,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 15:31:36,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754292570] [2024-10-11 15:31:36,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:31:36,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 15:31:36,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:31:36,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 15:31:36,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:31:36,746 INFO L87 Difference]: Start difference. First operand 1091 states and 1570 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 15:31:41,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:31:41,580 INFO L93 Difference]: Finished difference Result 3319 states and 4799 transitions. [2024-10-11 15:31:41,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 15:31:41,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2024-10-11 15:31:41,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:31:41,595 INFO L225 Difference]: With dead ends: 3319 [2024-10-11 15:31:41,595 INFO L226 Difference]: Without dead ends: 2262 [2024-10-11 15:31:41,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-10-11 15:31:41,601 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 2699 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 3299 mSolverCounterSat, 1160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2837 SdHoareTripleChecker+Valid, 2813 SdHoareTripleChecker+Invalid, 4459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1160 IncrementalHoareTripleChecker+Valid, 3299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-11 15:31:41,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2837 Valid, 2813 Invalid, 4459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1160 Valid, 3299 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-11 15:31:41,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2024-10-11 15:31:41,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 2111. [2024-10-11 15:31:41,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2111 states, 1515 states have (on average 1.4356435643564356) internal successors, (2175), 1544 states have internal predecessors, (2175), 441 states have call successors, (441), 153 states have call predecessors, (441), 152 states have return successors, (432), 429 states have call predecessors, (432), 432 states have call successors, (432) [2024-10-11 15:31:41,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 2111 states and 3048 transitions. [2024-10-11 15:31:41,728 INFO L78 Accepts]: Start accepts. Automaton has 2111 states and 3048 transitions. Word has length 148 [2024-10-11 15:31:41,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:31:41,732 INFO L471 AbstractCegarLoop]: Abstraction has 2111 states and 3048 transitions. [2024-10-11 15:31:41,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-11 15:31:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 3048 transitions. [2024-10-11 15:31:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-11 15:31:41,735 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:31:41,736 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:31:41,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:31:41,736 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:31:41,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:31:41,737 INFO L85 PathProgramCache]: Analyzing trace with hash -720267284, now seen corresponding path program 1 times [2024-10-11 15:31:41,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:31:41,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085482595] [2024-10-11 15:31:41,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:31:41,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:31:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:31:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:31:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:31:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:31:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:31:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:31:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:31:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:31:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:31:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:31:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:31:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:31:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:31:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:31:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-11 15:31:42,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:31:42,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085482595] [2024-10-11 15:31:42,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085482595] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:31:42,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:31:42,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 15:31:42,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350759361] [2024-10-11 15:31:42,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:31:42,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 15:31:42,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:31:42,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 15:31:42,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 15:31:42,222 INFO L87 Difference]: Start difference. First operand 2111 states and 3048 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-11 15:31:45,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:31:45,622 INFO L93 Difference]: Finished difference Result 4330 states and 6272 transitions. [2024-10-11 15:31:45,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:31:45,623 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-10-11 15:31:45,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:31:45,637 INFO L225 Difference]: With dead ends: 4330 [2024-10-11 15:31:45,637 INFO L226 Difference]: Without dead ends: 2253 [2024-10-11 15:31:45,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-10-11 15:31:45,646 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 1880 mSDsluCounter, 2163 mSDsCounter, 0 mSdLazyCounter, 3285 mSolverCounterSat, 740 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 2779 SdHoareTripleChecker+Invalid, 4025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 740 IncrementalHoareTripleChecker+Valid, 3285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:31:45,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2003 Valid, 2779 Invalid, 4025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [740 Valid, 3285 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-11 15:31:45,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2024-10-11 15:31:45,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2124. [2024-10-11 15:31:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2124 states, 1528 states have (on average 1.431937172774869) internal successors, (2188), 1557 states have internal predecessors, (2188), 441 states have call successors, (441), 153 states have call predecessors, (441), 152 states have return successors, (432), 429 states have call predecessors, (432), 432 states have call successors, (432) [2024-10-11 15:31:45,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 3061 transitions. [2024-10-11 15:31:45,748 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 3061 transitions. Word has length 149 [2024-10-11 15:31:45,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:31:45,749 INFO L471 AbstractCegarLoop]: Abstraction has 2124 states and 3061 transitions. [2024-10-11 15:31:45,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-10-11 15:31:45,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 3061 transitions. [2024-10-11 15:31:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-11 15:31:45,753 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:31:45,753 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:31:45,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:31:45,754 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:31:45,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:31:45,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1986302737, now seen corresponding path program 1 times [2024-10-11 15:31:45,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:31:45,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847001023] [2024-10-11 15:31:45,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:31:45,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:31:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:45,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:45,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:45,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:45,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:31:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:31:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:31:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:31:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:31:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:31:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:31:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:31:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:31:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:31:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:31:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:31:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:31:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:31:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 15:31:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 15:31:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 15:31:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:46,201 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-11 15:31:46,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:31:46,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847001023] [2024-10-11 15:31:46,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847001023] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:31:46,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:31:46,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 15:31:46,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031534019] [2024-10-11 15:31:46,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:31:46,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 15:31:46,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:31:46,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 15:31:46,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:31:46,204 INFO L87 Difference]: Start difference. First operand 2124 states and 3061 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 15:31:50,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:31:50,352 INFO L93 Difference]: Finished difference Result 6344 states and 9177 transitions. [2024-10-11 15:31:50,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 15:31:50,352 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 153 [2024-10-11 15:31:50,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:31:50,376 INFO L225 Difference]: With dead ends: 6344 [2024-10-11 15:31:50,376 INFO L226 Difference]: Without dead ends: 4254 [2024-10-11 15:31:50,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-10-11 15:31:50,384 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 4028 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 2268 mSolverCounterSat, 2190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 2223 SdHoareTripleChecker+Invalid, 4458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2190 IncrementalHoareTripleChecker+Valid, 2268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-10-11 15:31:50,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 2223 Invalid, 4458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2190 Valid, 2268 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-10-11 15:31:50,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4254 states. [2024-10-11 15:31:50,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4254 to 4010. [2024-10-11 15:31:50,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4010 states, 2898 states have (on average 1.4334023464458248) internal successors, (4154), 2941 states have internal predecessors, (4154), 816 states have call successors, (816), 294 states have call predecessors, (816), 293 states have return successors, (807), 804 states have call predecessors, (807), 807 states have call successors, (807) [2024-10-11 15:31:50,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4010 states to 4010 states and 5777 transitions. [2024-10-11 15:31:50,601 INFO L78 Accepts]: Start accepts. Automaton has 4010 states and 5777 transitions. Word has length 153 [2024-10-11 15:31:50,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:31:50,602 INFO L471 AbstractCegarLoop]: Abstraction has 4010 states and 5777 transitions. [2024-10-11 15:31:50,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 15:31:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 4010 states and 5777 transitions. [2024-10-11 15:31:50,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-11 15:31:50,605 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:31:50,605 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:31:50,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 15:31:50,606 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:31:50,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:31:50,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1285914690, now seen corresponding path program 1 times [2024-10-11 15:31:50,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:31:50,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868575009] [2024-10-11 15:31:50,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:31:50,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:31:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:31:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:31:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:31:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:31:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:31:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:31:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:31:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:31:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:31:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:31:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:31:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:31:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:50,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:31:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:51,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:31:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:51,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 15:31:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:51,019 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-11 15:31:51,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:31:51,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868575009] [2024-10-11 15:31:51,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868575009] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:31:51,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:31:51,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:31:51,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369674654] [2024-10-11 15:31:51,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:31:51,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:31:51,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:31:51,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:31:51,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:31:51,024 INFO L87 Difference]: Start difference. First operand 4010 states and 5777 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 15:31:53,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:31:53,266 INFO L93 Difference]: Finished difference Result 4242 states and 6143 transitions. [2024-10-11 15:31:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:31:53,266 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 155 [2024-10-11 15:31:53,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:31:53,289 INFO L225 Difference]: With dead ends: 4242 [2024-10-11 15:31:53,289 INFO L226 Difference]: Without dead ends: 4239 [2024-10-11 15:31:53,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 15:31:53,293 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 2066 mSDsluCounter, 773 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 955 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 955 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:31:53,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 1389 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [955 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 15:31:53,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4239 states. [2024-10-11 15:31:53,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4239 to 4009. [2024-10-11 15:31:53,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4009 states, 2898 states have (on average 1.433057280883368) internal successors, (4153), 2940 states have internal predecessors, (4153), 815 states have call successors, (815), 294 states have call predecessors, (815), 293 states have return successors, (807), 804 states have call predecessors, (807), 807 states have call successors, (807) [2024-10-11 15:31:53,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 4009 states and 5775 transitions. [2024-10-11 15:31:53,560 INFO L78 Accepts]: Start accepts. Automaton has 4009 states and 5775 transitions. Word has length 155 [2024-10-11 15:31:53,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:31:53,560 INFO L471 AbstractCegarLoop]: Abstraction has 4009 states and 5775 transitions. [2024-10-11 15:31:53,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 15:31:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 4009 states and 5775 transitions. [2024-10-11 15:31:53,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-11 15:31:53,563 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:31:53,563 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:31:53,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 15:31:53,563 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:31:53,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:31:53,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1208386658, now seen corresponding path program 1 times [2024-10-11 15:31:53,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:31:53,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459510809] [2024-10-11 15:31:53,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:31:53,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:31:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:31:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:31:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:31:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:31:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:31:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:31:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:31:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:31:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:31:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:31:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:31:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:31:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:31:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:31:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 15:31:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-11 15:31:53,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:31:53,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459510809] [2024-10-11 15:31:53,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459510809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:31:53,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:31:53,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:31:53,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360616389] [2024-10-11 15:31:53,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:31:53,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:31:53,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:31:53,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:31:53,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:31:53,955 INFO L87 Difference]: Start difference. First operand 4009 states and 5775 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 15:31:56,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:31:56,343 INFO L93 Difference]: Finished difference Result 4241 states and 6141 transitions. [2024-10-11 15:31:56,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:31:56,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-10-11 15:31:56,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:31:56,368 INFO L225 Difference]: With dead ends: 4241 [2024-10-11 15:31:56,368 INFO L226 Difference]: Without dead ends: 4238 [2024-10-11 15:31:56,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 15:31:56,371 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 1842 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 1731 mSolverCounterSat, 721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1940 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 2452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 721 IncrementalHoareTripleChecker+Valid, 1731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:31:56,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 1748 Invalid, 2452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 1731 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 15:31:56,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4238 states. [2024-10-11 15:31:56,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4238 to 4008. [2024-10-11 15:31:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4008 states, 2898 states have (on average 1.4327122153209109) internal successors, (4152), 2939 states have internal predecessors, (4152), 814 states have call successors, (814), 294 states have call predecessors, (814), 293 states have return successors, (807), 804 states have call predecessors, (807), 807 states have call successors, (807) [2024-10-11 15:31:56,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4008 states to 4008 states and 5773 transitions. [2024-10-11 15:31:56,618 INFO L78 Accepts]: Start accepts. Automaton has 4008 states and 5773 transitions. Word has length 156 [2024-10-11 15:31:56,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:31:56,619 INFO L471 AbstractCegarLoop]: Abstraction has 4008 states and 5773 transitions. [2024-10-11 15:31:56,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 15:31:56,619 INFO L276 IsEmpty]: Start isEmpty. Operand 4008 states and 5773 transitions. [2024-10-11 15:31:56,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-10-11 15:31:56,621 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:31:56,621 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:31:56,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 15:31:56,621 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:31:56,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:31:56,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1194977467, now seen corresponding path program 1 times [2024-10-11 15:31:56,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:31:56,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384414131] [2024-10-11 15:31:56,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:31:56,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:31:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:31:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:31:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:31:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:31:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:31:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:31:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:31:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:31:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:31:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:31:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:31:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:31:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:31:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:31:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 15:31:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-11 15:31:56,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:31:56,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384414131] [2024-10-11 15:31:56,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384414131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:31:56,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:31:56,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:31:56,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671504969] [2024-10-11 15:31:56,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:31:56,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:31:56,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:31:56,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:31:56,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:31:56,992 INFO L87 Difference]: Start difference. First operand 4008 states and 5773 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 15:31:59,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:31:59,268 INFO L93 Difference]: Finished difference Result 4648 states and 6550 transitions. [2024-10-11 15:31:59,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:31:59,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2024-10-11 15:31:59,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:31:59,292 INFO L225 Difference]: With dead ends: 4648 [2024-10-11 15:31:59,292 INFO L226 Difference]: Without dead ends: 4644 [2024-10-11 15:31:59,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-11 15:31:59,296 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 1990 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 1520 SdHoareTripleChecker+Invalid, 2606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:31:59,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2059 Valid, 1520 Invalid, 2606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1590 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 15:31:59,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4644 states. [2024-10-11 15:31:59,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4644 to 4402. [2024-10-11 15:31:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4402 states, 3126 states have (on average 1.40978886756238) internal successors, (4407), 3165 states have internal predecessors, (4407), 884 states have call successors, (884), 390 states have call predecessors, (884), 389 states have return successors, (879), 876 states have call predecessors, (879), 879 states have call successors, (879) [2024-10-11 15:31:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4402 states to 4402 states and 6170 transitions. [2024-10-11 15:31:59,606 INFO L78 Accepts]: Start accepts. Automaton has 4402 states and 6170 transitions. Word has length 157 [2024-10-11 15:31:59,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:31:59,607 INFO L471 AbstractCegarLoop]: Abstraction has 4402 states and 6170 transitions. [2024-10-11 15:31:59,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 15:31:59,608 INFO L276 IsEmpty]: Start isEmpty. Operand 4402 states and 6170 transitions. [2024-10-11 15:31:59,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-11 15:31:59,609 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:31:59,610 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:31:59,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 15:31:59,610 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:31:59,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:31:59,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1610150853, now seen corresponding path program 1 times [2024-10-11 15:31:59,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:31:59,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937402715] [2024-10-11 15:31:59,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:31:59,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:31:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:31:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:31:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:31:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:31:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:31:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:31:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:31:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:31:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:31:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:31:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:31:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:31:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:31:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:31:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:31:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:31:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 15:31:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:31:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-11 15:31:59,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:31:59,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937402715] [2024-10-11 15:31:59,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937402715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:31:59,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:31:59,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:31:59,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171578423] [2024-10-11 15:31:59,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:31:59,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:31:59,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:31:59,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:31:59,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:31:59,985 INFO L87 Difference]: Start difference. First operand 4402 states and 6170 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 15:32:02,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:32:02,000 INFO L93 Difference]: Finished difference Result 4642 states and 6540 transitions. [2024-10-11 15:32:02,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:32:02,001 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2024-10-11 15:32:02,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:32:02,023 INFO L225 Difference]: With dead ends: 4642 [2024-10-11 15:32:02,023 INFO L226 Difference]: Without dead ends: 4639 [2024-10-11 15:32:02,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 15:32:02,027 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 2053 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 942 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2151 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 2259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 942 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 15:32:02,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2151 Valid, 1377 Invalid, 2259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [942 Valid, 1317 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 15:32:02,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4639 states. [2024-10-11 15:32:02,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4639 to 4401. [2024-10-11 15:32:02,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4401 states, 3126 states have (on average 1.4094689699296226) internal successors, (4406), 3164 states have internal predecessors, (4406), 883 states have call successors, (883), 390 states have call predecessors, (883), 389 states have return successors, (879), 876 states have call predecessors, (879), 879 states have call successors, (879) [2024-10-11 15:32:02,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 4401 states and 6168 transitions. [2024-10-11 15:32:02,311 INFO L78 Accepts]: Start accepts. Automaton has 4401 states and 6168 transitions. Word has length 158 [2024-10-11 15:32:02,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:32:02,312 INFO L471 AbstractCegarLoop]: Abstraction has 4401 states and 6168 transitions. [2024-10-11 15:32:02,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 15:32:02,312 INFO L276 IsEmpty]: Start isEmpty. Operand 4401 states and 6168 transitions. [2024-10-11 15:32:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-11 15:32:02,315 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:32:02,315 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:32:02,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 15:32:02,316 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:32:02,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:32:02,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1625179576, now seen corresponding path program 1 times [2024-10-11 15:32:02,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:32:02,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845483981] [2024-10-11 15:32:02,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:32:02,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:32:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:32:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:32:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:32:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:32:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:32:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:32:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:32:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:32:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:32:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:32:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:32:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:32:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:32:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:32:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 15:32:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:02,750 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-11 15:32:02,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:32:02,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845483981] [2024-10-11 15:32:02,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845483981] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:32:02,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:32:02,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:32:02,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921384719] [2024-10-11 15:32:02,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:32:02,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:32:02,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:32:02,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:32:02,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:32:02,753 INFO L87 Difference]: Start difference. First operand 4401 states and 6168 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 15:32:06,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:32:06,277 INFO L93 Difference]: Finished difference Result 13491 states and 19095 transitions. [2024-10-11 15:32:06,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:32:06,277 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2024-10-11 15:32:06,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:32:06,309 INFO L225 Difference]: With dead ends: 13491 [2024-10-11 15:32:06,309 INFO L226 Difference]: Without dead ends: 9098 [2024-10-11 15:32:06,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-11 15:32:06,326 INFO L432 NwaCegarLoop]: 639 mSDtfsCounter, 2606 mSDsluCounter, 1269 mSDsCounter, 0 mSdLazyCounter, 2556 mSolverCounterSat, 1333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2730 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 3889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1333 IncrementalHoareTripleChecker+Valid, 2556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:32:06,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2730 Valid, 1908 Invalid, 3889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1333 Valid, 2556 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-11 15:32:06,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9098 states. [2024-10-11 15:32:06,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9098 to 8606. [2024-10-11 15:32:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8606 states, 6136 states have (on average 1.4102020860495437) internal successors, (8653), 6216 states have internal predecessors, (8653), 1708 states have call successors, (1708), 757 states have call predecessors, (1708), 759 states have return successors, (1765), 1689 states have call predecessors, (1765), 1701 states have call successors, (1765) [2024-10-11 15:32:06,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8606 states to 8606 states and 12126 transitions. [2024-10-11 15:32:06,996 INFO L78 Accepts]: Start accepts. Automaton has 8606 states and 12126 transitions. Word has length 159 [2024-10-11 15:32:06,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:32:06,997 INFO L471 AbstractCegarLoop]: Abstraction has 8606 states and 12126 transitions. [2024-10-11 15:32:06,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-11 15:32:06,997 INFO L276 IsEmpty]: Start isEmpty. Operand 8606 states and 12126 transitions. [2024-10-11 15:32:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-11 15:32:07,002 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:32:07,002 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-10-11 15:32:07,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 15:32:07,003 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting get_currentErr0ASSERT_VIOLATIONUNKNOWN === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:32:07,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:32:07,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1126784267, now seen corresponding path program 1 times [2024-10-11 15:32:07,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:32:07,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898044338] [2024-10-11 15:32:07,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:32:07,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:32:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:32:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:32:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:32:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:32:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:32:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:32:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:32:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:32:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:32:07,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:32:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:32:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:32:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:32:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:32:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 15:32:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 15:32:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 15:32:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:07,378 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-10-11 15:32:07,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:32:07,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898044338] [2024-10-11 15:32:07,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898044338] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:32:07,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:32:07,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:32:07,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454289253] [2024-10-11 15:32:07,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:32:07,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:32:07,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:32:07,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:32:07,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:32:07,382 INFO L87 Difference]: Start difference. First operand 8606 states and 12126 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 15:32:10,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:32:10,059 INFO L93 Difference]: Finished difference Result 17638 states and 24928 transitions. [2024-10-11 15:32:10,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:32:10,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 195 [2024-10-11 15:32:10,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:32:10,099 INFO L225 Difference]: With dead ends: 17638 [2024-10-11 15:32:10,099 INFO L226 Difference]: Without dead ends: 9066 [2024-10-11 15:32:10,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-11 15:32:10,130 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 857 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 2492 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 2950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 2492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-11 15:32:10,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 2245 Invalid, 2950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 2492 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-11 15:32:10,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9066 states. [2024-10-11 15:32:10,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9066 to 8610. [2024-10-11 15:32:10,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8610 states, 6140 states have (on average 1.4099348534201954) internal successors, (8657), 6220 states have internal predecessors, (8657), 1708 states have call successors, (1708), 757 states have call predecessors, (1708), 759 states have return successors, (1765), 1689 states have call predecessors, (1765), 1701 states have call successors, (1765) [2024-10-11 15:32:10,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8610 states to 8610 states and 12130 transitions. [2024-10-11 15:32:10,871 INFO L78 Accepts]: Start accepts. Automaton has 8610 states and 12130 transitions. Word has length 195 [2024-10-11 15:32:10,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:32:10,872 INFO L471 AbstractCegarLoop]: Abstraction has 8610 states and 12130 transitions. [2024-10-11 15:32:10,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 15:32:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 8610 states and 12130 transitions. [2024-10-11 15:32:10,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-11 15:32:10,878 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:32:10,878 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:32:10,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 15:32:10,879 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting get_currentErr0ASSERT_VIOLATIONUNKNOWN === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:32:10,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:32:10,879 INFO L85 PathProgramCache]: Analyzing trace with hash 941976757, now seen corresponding path program 1 times [2024-10-11 15:32:10,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:32:10,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5158516] [2024-10-11 15:32:10,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:32:10,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:32:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:32:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:32:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:32:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:32:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:32:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:32:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:32:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:32:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:32:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:32:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:32:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:32:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:32:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:32:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 15:32:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 15:32:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 15:32:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 15:32:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 15:32:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-10-11 15:32:11,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:32:11,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5158516] [2024-10-11 15:32:11,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5158516] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:32:11,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017781812] [2024-10-11 15:32:11,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:32:11,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:32:11,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:32:11,397 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:32:11,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 15:32:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:12,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 2146 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 15:32:12,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:32:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-10-11 15:32:12,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:32:12,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017781812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:32:12,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:32:12,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-10-11 15:32:12,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16345440] [2024-10-11 15:32:12,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:32:12,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:32:12,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:32:12,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:32:12,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 15:32:12,359 INFO L87 Difference]: Start difference. First operand 8610 states and 12130 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 15:32:13,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:32:13,229 INFO L93 Difference]: Finished difference Result 17168 states and 24274 transitions. [2024-10-11 15:32:13,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:32:13,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 204 [2024-10-11 15:32:13,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:32:13,270 INFO L225 Difference]: With dead ends: 17168 [2024-10-11 15:32:13,271 INFO L226 Difference]: Without dead ends: 8592 [2024-10-11 15:32:13,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 15:32:13,303 INFO L432 NwaCegarLoop]: 1165 mSDtfsCounter, 0 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2323 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:32:13,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2323 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 15:32:13,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8592 states. [2024-10-11 15:32:13,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8592 to 8592. [2024-10-11 15:32:13,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8592 states, 6123 states have (on average 1.4084599052751918) internal successors, (8624), 6202 states have internal predecessors, (8624), 1708 states have call successors, (1708), 757 states have call predecessors, (1708), 759 states have return successors, (1765), 1689 states have call predecessors, (1765), 1701 states have call successors, (1765) [2024-10-11 15:32:13,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8592 states to 8592 states and 12097 transitions. [2024-10-11 15:32:13,898 INFO L78 Accepts]: Start accepts. Automaton has 8592 states and 12097 transitions. Word has length 204 [2024-10-11 15:32:13,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:32:13,899 INFO L471 AbstractCegarLoop]: Abstraction has 8592 states and 12097 transitions. [2024-10-11 15:32:13,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 15:32:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 8592 states and 12097 transitions. [2024-10-11 15:32:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-11 15:32:13,906 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:32:13,907 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-10-11 15:32:13,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 15:32:14,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 15:32:14,111 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:32:14,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:32:14,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1395180534, now seen corresponding path program 1 times [2024-10-11 15:32:14,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:32:14,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768978710] [2024-10-11 15:32:14,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:32:14,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:32:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:32:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:32:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:32:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:32:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:32:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:32:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:32:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:32:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:32:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:32:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:32:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:32:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:32:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:32:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 15:32:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 15:32:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 15:32:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 15:32:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 15:32:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 15:32:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 15:32:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 15:32:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-10-11 15:32:14,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:32:14,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768978710] [2024-10-11 15:32:14,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768978710] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:32:14,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344441988] [2024-10-11 15:32:14,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:32:14,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:32:14,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:32:14,589 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:32:14,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 15:32:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:15,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 2190 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 15:32:15,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:32:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2024-10-11 15:32:15,432 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:32:15,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344441988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:32:15,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:32:15,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-10-11 15:32:15,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504208658] [2024-10-11 15:32:15,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:32:15,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 15:32:15,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:32:15,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 15:32:15,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:32:15,438 INFO L87 Difference]: Start difference. First operand 8592 states and 12097 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-11 15:32:16,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:32:16,236 INFO L93 Difference]: Finished difference Result 13370 states and 18762 transitions. [2024-10-11 15:32:16,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 15:32:16,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 219 [2024-10-11 15:32:16,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:32:16,263 INFO L225 Difference]: With dead ends: 13370 [2024-10-11 15:32:16,263 INFO L226 Difference]: Without dead ends: 4808 [2024-10-11 15:32:16,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:32:16,287 INFO L432 NwaCegarLoop]: 1173 mSDtfsCounter, 9 mSDsluCounter, 1161 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2334 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 15:32:16,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2334 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 15:32:16,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4808 states. [2024-10-11 15:32:16,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4808 to 4787. [2024-10-11 15:32:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4787 states, 3387 states have (on average 1.4009447888987305) internal successors, (4745), 3433 states have internal predecessors, (4745), 956 states have call successors, (956), 442 states have call predecessors, (956), 442 states have return successors, (981), 943 states have call predecessors, (981), 949 states have call successors, (981) [2024-10-11 15:32:16,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 6682 transitions. [2024-10-11 15:32:16,589 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 6682 transitions. Word has length 219 [2024-10-11 15:32:16,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:32:16,590 INFO L471 AbstractCegarLoop]: Abstraction has 4787 states and 6682 transitions. [2024-10-11 15:32:16,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-11 15:32:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 6682 transitions. [2024-10-11 15:32:16,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-11 15:32:16,596 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:32:16,596 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2024-10-11 15:32:16,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 15:32:16,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:32:16,797 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:32:16,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:32:16,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1442888179, now seen corresponding path program 1 times [2024-10-11 15:32:16,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:32:16,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863608494] [2024-10-11 15:32:16,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:32:16,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:32:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:32:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:32:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:32:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:32:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:32:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:32:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:32:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:32:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:32:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:32:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:32:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:32:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:32:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:32:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 15:32:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 15:32:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 15:32:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 15:32:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 15:32:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 15:32:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 15:32:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 15:32:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 15:32:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:17,435 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2024-10-11 15:32:17,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:32:17,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863608494] [2024-10-11 15:32:17,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863608494] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:32:17,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567080540] [2024-10-11 15:32:17,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:32:17,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:32:17,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:32:17,439 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:32:17,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 15:32:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:18,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 2263 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 15:32:18,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:32:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 219 proven. 1 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-10-11 15:32:18,347 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 15:32:18,617 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2024-10-11 15:32:18,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567080540] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 15:32:18,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 15:32:18,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2024-10-11 15:32:18,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225126951] [2024-10-11 15:32:18,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 15:32:18,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 15:32:18,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:32:18,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 15:32:18,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-11 15:32:18,621 INFO L87 Difference]: Start difference. First operand 4787 states and 6682 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2024-10-11 15:32:22,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:32:22,594 INFO L93 Difference]: Finished difference Result 9650 states and 13523 transitions. [2024-10-11 15:32:22,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 15:32:22,595 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) Word has length 233 [2024-10-11 15:32:22,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:32:22,619 INFO L225 Difference]: With dead ends: 9650 [2024-10-11 15:32:22,619 INFO L226 Difference]: Without dead ends: 5080 [2024-10-11 15:32:22,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-10-11 15:32:22,632 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 1530 mSDsluCounter, 3174 mSDsCounter, 0 mSdLazyCounter, 4496 mSolverCounterSat, 1075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 3786 SdHoareTripleChecker+Invalid, 5571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 4496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-10-11 15:32:22,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1534 Valid, 3786 Invalid, 5571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1075 Valid, 4496 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-10-11 15:32:22,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5080 states. [2024-10-11 15:32:23,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5080 to 4847. [2024-10-11 15:32:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4847 states, 3423 states have (on average 1.3967280163599183) internal successors, (4781), 3469 states have internal predecessors, (4781), 980 states have call successors, (980), 442 states have call predecessors, (980), 442 states have return successors, (1005), 967 states have call predecessors, (1005), 973 states have call successors, (1005) [2024-10-11 15:32:23,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4847 states to 4847 states and 6766 transitions. [2024-10-11 15:32:23,055 INFO L78 Accepts]: Start accepts. Automaton has 4847 states and 6766 transitions. Word has length 233 [2024-10-11 15:32:23,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:32:23,056 INFO L471 AbstractCegarLoop]: Abstraction has 4847 states and 6766 transitions. [2024-10-11 15:32:23,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (61), 6 states have call predecessors, (61), 2 states have return successors, (39), 5 states have call predecessors, (39), 5 states have call successors, (39) [2024-10-11 15:32:23,056 INFO L276 IsEmpty]: Start isEmpty. Operand 4847 states and 6766 transitions. [2024-10-11 15:32:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-11 15:32:23,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:32:23,063 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-11 15:32:23,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 15:32:23,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:32:23,264 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:32:23,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:32:23,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1225967565, now seen corresponding path program 2 times [2024-10-11 15:32:23,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:32:23,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607790472] [2024-10-11 15:32:23,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:32:23,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:32:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:32:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:32:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:32:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:32:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:32:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:32:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:32:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:32:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:32:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:32:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:32:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:32:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:32:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:32:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 15:32:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 15:32:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 15:32:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 15:32:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 15:32:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 15:32:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 15:32:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 15:32:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 15:32:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 15:32:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 15:32:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 15:32:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 15:32:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:23,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 15:32:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:24,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 15:32:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:24,008 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-10-11 15:32:24,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:32:24,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607790472] [2024-10-11 15:32:24,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607790472] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:32:24,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:32:24,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 15:32:24,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018421337] [2024-10-11 15:32:24,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:32:24,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 15:32:24,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:32:24,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 15:32:24,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:32:24,011 INFO L87 Difference]: Start difference. First operand 4847 states and 6766 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-11 15:32:27,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:32:27,373 INFO L93 Difference]: Finished difference Result 9733 states and 13619 transitions. [2024-10-11 15:32:27,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 15:32:27,430 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 260 [2024-10-11 15:32:27,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:32:27,449 INFO L225 Difference]: With dead ends: 9733 [2024-10-11 15:32:27,449 INFO L226 Difference]: Without dead ends: 5079 [2024-10-11 15:32:27,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-11 15:32:27,460 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 1536 mSDsluCounter, 2687 mSDsCounter, 0 mSdLazyCounter, 3769 mSolverCounterSat, 1047 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 3304 SdHoareTripleChecker+Invalid, 4816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1047 IncrementalHoareTripleChecker+Valid, 3769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:32:27,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1536 Valid, 3304 Invalid, 4816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1047 Valid, 3769 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-11 15:32:27,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5079 states. [2024-10-11 15:32:27,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5079 to 4817. [2024-10-11 15:32:27,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4817 states, 3402 states have (on average 1.39564961787184) internal successors, (4748), 3451 states have internal predecessors, (4748), 973 states have call successors, (973), 440 states have call predecessors, (973), 440 states have return successors, (998), 957 states have call predecessors, (998), 966 states have call successors, (998) [2024-10-11 15:32:27,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4817 states to 4817 states and 6719 transitions. [2024-10-11 15:32:27,783 INFO L78 Accepts]: Start accepts. Automaton has 4817 states and 6719 transitions. Word has length 260 [2024-10-11 15:32:27,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:32:27,784 INFO L471 AbstractCegarLoop]: Abstraction has 4817 states and 6719 transitions. [2024-10-11 15:32:27,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 5 states have internal predecessors, (74), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-11 15:32:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 4817 states and 6719 transitions. [2024-10-11 15:32:27,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-10-11 15:32:27,790 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:32:27,790 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 4, 4, 4, 4, 4, 4, 4, 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] [2024-10-11 15:32:27,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 15:32:27,791 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_currentErr0ASSERT_VIOLATIONUNKNOWN, ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, lp_writeErr0ASSERT_VIOLATIONUNKNOWN] === [2024-10-11 15:32:27,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:32:27,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1852072793, now seen corresponding path program 1 times [2024-10-11 15:32:27,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:32:27,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153073522] [2024-10-11 15:32:27,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:32:27,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:32:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:32:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:32:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:32:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 15:32:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 15:32:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 15:32:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 15:32:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:32:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 15:32:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:32:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 15:32:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:32:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-11 15:32:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:32:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 15:32:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 15:32:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 15:32:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 15:32:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 15:32:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 15:32:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 15:32:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 15:32:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-11 15:32:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 15:32:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 15:32:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 15:32:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 15:32:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:32:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:32:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-11 15:32:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-11 15:32:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 15:32:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:32:28,422 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2024-10-11 15:32:28,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:32:28,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153073522] [2024-10-11 15:32:28,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153073522] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:32:28,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:32:28,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 15:32:28,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967813820] [2024-10-11 15:32:28,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:32:28,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 15:32:28,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:32:28,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 15:32:28,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 15:32:28,425 INFO L87 Difference]: Start difference. First operand 4817 states and 6719 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (30), 8 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28)